List of United States Navy ships: L

L

 * USS L-1 (USS L-1 (SS-40))
 * USS L-2 (USS L-2 (SS-41))
 * USS L-3 (USS L-3 (SS-42))
 * USS L-4 (USS L-4 (SS-43))
 * USS L-5 (USS L-5 (SS-44))
 * USS L-6 (USS L-6 (SS-45))
 * USS L-7 (USS L-7 (SS-46))
 * USS L-8 (USS L-8 (SS-48))
 * USS L-9 (USS L-9 (SS-49))
 * USS L-10 (USS L-10 (SS-50))
 * USS L-11 (USS L-11 (SS-51))
 * USS L. A. Dempsey (USS L. A. Dempsey (SP-1231))
 * USS L. C. Richmond (USS L. C. Richmond (1861))
 * USS L. K. Thurlow (USS L. K. Thurlow (1913))
 * USS L. Mendel Rivers (USS L. Mendel Rivers (SSN-686))
 * USS L. Millandon (1856)
 * USS L. Y. Spear (USS L. Y. Spear (AS-36))
 * USS La Jolla (USS La Jolla (SSN-701))
 * USS La Moure County (USS La Moure County (LST-883), USS La Moure County (LST-1194))
 * USS La Porte (USS La Porte (APA-151))
 * USS La Prade (USS La Prade (DE-409))
 * USS La Salle (USS La Salle (AP-102), USS La Salle (LPD-3)/USS La Salle (AGF-3))
 * USS La Vallette (USS La Vallette (DD-315), USS La Vallette (DD-448))

Lab–Lak

 * USS Laboon (USS Laboon (DDG-58))
 * USS Labuan (USS Labuan (PF-80))
 * USS Laburnum (USS Laburnum (1864))
 * USS Lacerta (USS Lacerta (AKA-29))
 * USS Lackawanna (USS Lackawanna (1862), USS Lackawanna (AO-40))
 * USS Lackawapen (USS Lackawapen (AO-82))
 * USS Lackawaxen (USS Lackawaxen (AO-82))
 * USS Lacosta (USS Lacosta (YFB-58))
 * USS Lady Anne (USS Lady Anne (SP-154))
 * USS Lady Betty (USS Lady Betty (SP-661))
 * USS Lady Doris (USS Lady Doris (SP-3854))
 * USS Lady Mary (USS Lady Mary (SP-212))
 * USS Lady of the Lake (USS Lady of the Lake (1813))
 * USS Lady Prevost (USS Lady Prevost (1812))
 * USS Lady Thorne (USS Lady Thorne (SP-962))
 * USS Lady Washington (USS Lady Washington (1776))
 * USS Laertes (USS Laertes (AR-20))
 * USS Lafayette (USS Lafayette (1848), USS Lafayette (AP-53)/USS Lafayette (APV-4), USS Lafayette (SSBN-616))
 * USS Lafayette County (USS Lafayette County (LST-859))
 * USS Laffey (USS Laffey (DD-459), USS Laffey (DD-724))
 * USS Lagarto (USS Lagarto (SS-371))
 * USS Lagoda (USS Lagoda (SP-3250))
 * USS La Grange (USS La Grange (APA-124))
 * USS Lakatoi (USS Lakatoi (1938))
 * USS Lake (USS Lake (DE-301), SS Lake (AK-5016))
 * USS Lake Arthur (USS Lake Arthur (ID-2915))
 * USS Lake Benbow (USS Lake Benbow (1918))
 * USS Lake Berdan (USS Lake Berdan (ID-4276C))
 * USS Lake Blanchester (USS Lake Blanchester (ID-3597C))
 * USS Lake Bloomington (USS Lake Bloomington (1918))
 * USS Lake Borgne (USS Lake Borgne (1918))
 * USS Lake Bridge (USS Lake Bridge (ID-2990))
 * USS Lake Capens (USS Lake Capens (ID-4358))
 * USS Lake Catherine (USS Lake Catherine (ID-3568))
 * USS Lake Champlain (USS Lake Champlain (ID-1791), USS Lake Champlain (CV-39), USS Lake Champlain (CG-57))
 * USS Lake Charlotte (USS Lake Charlotte (ID-4394))
 * USS Lake Clear (USS Lake Clear (ID-3597D))
 * USS Lake Conesus (USS Lake Conesus (ID-4331))
 * USS Lake County (USS Lake County (LST-880))
 * USS Lake Crescent (USS Lake Crescent (ID-2557))
 * USS Lake Damita (USS Lake Damita (1918))
 * USS Lake Dancey (USS Lake Dancey (ID-4407L))
 * USS Lake Daraga (USS Lake Daraga (ID-4428))
 * USS Lake Dymer (USS Lake Dymer (ID-4131))
 * USS Lake Eckhart (USS Lake Eckhart (ID-4353Z))
 * USS Lake Eliko (USS Lake Eliko (ID-4353A))
 * USS Lake Elizabeth (USS Lake Elizabeth (ID-2957))
 * USS Lake Elsinore (USS Lake Elsinore (ID-3765B))
 * USS Lake Erie (USS Lake Erie (ID-2190), USS Lake Erie (CG-70))
 * USS Lake Fernwood (USS Lake Fernwood (ID-4410))
 * USS Lake Forest (USS Lake Forest (ID-2991))
 * USS Lake Frances (USS Lake Lake Frances (ID-4406))
 * USS Lake Gakona (USS Lake Gakona (ID-4409A))
 * USS Lake Garza (USS Lake Garza (ID-4086A))
 * USS Lake Gaspar (USS Lake Gaspar (ID-4086))
 * USS Lake Gedney (USS Lake Gedney (ID-3765C))
 * USS Lake Geneva (USS Lake Geneva (ID-4215B))
 * USS Lake Harney (USS Lake Harney (ID-4410C))
 * USS Lake Harris (USS Lake Harris (ID-4429A))
 * USS Lake Helen (USS Lake Helen (ID-4215E))
 * USS Lake Huron (USS Lake Huron (ID-2144))
 * USS Lake Larga (USS Lake Larga (ID-3765A))
 * USS Lake Lasang (USS Lake Lake Lasang (ID-3765E))
 * USS Lake Lemando (USS Lake Lemando (1918))
 * USS Lake Lillian (USS Lake Lillian (ID-4410E))
 * USS Lake Mary (USS Lake Mary (ID-4269))
 * USS Lake Michigan (USS Lake Michigan (ID-2993))
 * USS Lake Moor (USS Lake Moor (ID-2180))
 * USS Lake Ontario (USS Lake Ontario (ID-2992))
 * USS Lake Osweya (USS Lake Osweya (ID-4311G))
 * USS Lake Otisco (USS Lake Otisco (ID-4410F))
 * USS Lake Pepin (USS Lake Pepin (ID-4215))
 * USS Lake Pewaukee (USS Lake Pewaukee (ID-2906))
 * USS Lake Placid (USS Lake Placid (ID-1788))
 * USS Lake Pleasant (USS Lake Pleasant (ID-4429))
 * USS Lake Shore (USS Lake Shore (ID-1792))
 * USS Lake Side (USS Lake Side (ID-2158))
 * USS Lake Silver (USS Lake Silver (1918))
 * USS Lake St. Clair (USS Lake St. Clair (ID-2904))
 * USS Lake St. Regis (USS Lake St. Regis (ID-4261))
 * USS Lake Sunapee (USS Lake Sunapee (ID-4369B))
 * USS Lake Superior (USS Lake Superior (ID-2995))
 * USS Lake Traverse (USS Lake Traverse (ID-2782))
 * USS Lake Tulare (USS Lake Tulare (ID-2652))
 * USS Lake View (USS Lake View (ID-2186))
 * USS Lake Weston (USS Lake Weston (ID-2926))
 * USS Lake Wimico (USS Lake Wimico (ID-4410G))
 * USS Lake Winooski (USS Lake Winooski (ID-4311H))
 * USS Lake Wood (USS Lake Wood (ID-2555))
 * USS Lake Worth (USS Lake Worth (ID-2997))
 * USS Lake Yahara (USS Lake Yahara (ID-3974))
 * USS Lake Ypsilanti (USS Lake Ypsilanti (ID-4114))
 * USS Lakehurst (USS Lakehurst (APV-3)/USS Lakehurst (APM-1)/USS Lakehurst (APM-9))
 * USS Lakeland (USS Lakeland (LSM-373))
 * USS Lakeport (USS Lakeport (ID-2994))
 * USS Lakewood Victory (USS Lakewood Victory (AK-236))

Lam–Lc

 * USS Lamar (USS Lamar (AP-92)/USS Lamar (APA-47), USS Lamar (PCE-899))
 * USS Lamberton (USS Lamberton (DD-119)/USS Lamberton (AG-21)/USS Lamberton (DMS-2))
 * USS Lamoille River (USS Lamoille River (LSM(R)-512)/USS Lamoille River (LFR-512))
 * USS Lamons (USS Lamons (DE-64), USS Lamons (DE-743))
 * USS Lamprey (USS Lamprey (SS-372))
 * USS Lamson (USS Lamson (DD-18), USS Lamson (DD-328), USS Lamson (DD-367))
 * USS Lancaster (USS Lancaster (1858), USS Lancaster (1862), USS Lancaster (ID-2953), USS Lancaster (AK-193))
 * USS Lance (USS Lance (AM-257))
 * USS Lancetfish (USS Lancetfish (SS-296))
 * USS Lancewood (USS Lancewood (YN-67)/USS Lancewood (AN-48))
 * USS Lander (USS Lander (APA-178)/USS Lander (LPA-178))
 * USS Lang (USS Lang (DD-399), USS Lang (DE-1060)/USS Lang (FF-1060))
 * USS Langley (USS Langley (CV-1)/USS Langley (AV-3), USS Langley (DE‑131), USS Langley (CVL-27))
 * USS Lanier (USS Lanier (APA-125))
 * USS Lanikai (USS Lanikai (1914))
 * USS Laning (USS Laning (DE-159)/USS Laning (APD-55)/USS Laning (LPR-55))
 * USS Lannai (USS Lannai (SP-242))
 * USS Lansdale (USS Lansdale (DD-101)/USS Lansdale (DM-6), USS Lansdale (DD-426), USS Lansdale (DD-766))
 * USS Lansdowne (USS Lansdowne (DD-486))
 * USS Lansing (USS Lansing (DE-388)/USCGC Lansing (WDE-488)/USS Lansing (DER-388))
 * USS Lapeer (USS Lapeer (PC-1138))
 * USS Lapon (USS Lapon (SS-260), USS Lapon (SSN-661))
 * USS Lapwing (USS Lapwing (AM-1)/USS Lapwing (AVP-1), USS Lapwing (AMS-48)/USS Lapwing (MSC(O)-48))
 * USS Laramie (USS Laramie (AO-16), USNS Laramie (T-AO-203))
 * USS Laramie River (USS Laramie River (LSM(R)-513)/USS Laramie River (LFR-513))
 * USS Larch (USS Larch (YN-16)/USS Larch (AN-21))
 * USS Larchmont (USS Larchmont (PC-487))
 * USS Lardner (USS Lardner (DD-286), USS Lardner (DD-487))
 * USS Lariat (USS Lariat (AT-130))
 * USS Lark (USS Lark (AM-21)/USS Lark (AT-168)/USS Lark (ATO-168), USS Lark (AMS-23)/USS Lark (MSC(O)-23))
 * USS Larkspur (USS Larkspur (1863), USS Larkspur (1903))
 * USS Las Vegas Victory (USS Las Vegas Victory (AK-229))
 * USS Lash (USS Lash (PYc-31))
 * USS Lassen (USS Lassen (AE-3), USS Lassen (DDG-82))
 * USS Latimer (USS Latimer (APA-152))
 * USS Latona (USS Latona (AF-35))
 * USS Laub (USS Laub (DD-263), USS Laub (DD-613))
 * USS Lauchlan McKay (USS Lauchlan McKay (1943))
 * USS Lauderdale (USS Lauderdale (APA-179)/USS Lauderdale (LPA-179))
 * USS Launcher (USS Launcher (YV-2))
 * USS Laura Reed (USS Laura Reed (SP-2009))
 * USS Laurel (USS Laurel (1862), 1915)
 * USS Laurens (USS Laurens (APA-153))
 * Laurent Millaudon (1856)
 * USS Laurentia (USS Laurentia (AF-44)/USNS Laurentia (T-AF-44))
 * USS Laurinburg (USS Laurinburg (PC-1212))
 * USS Lavaca (USS Lavaca (APA-180))
 * USS Lavender (USS Lavender (1864))
 * USS Lavinia Logan (USS Lavinia Logan (1861))
 * USS Lawford (USS Lawford (DE-516))
 * USS Lawrence (USS Lawrence (1813), USS Lawrence (1843), USS Lawrence (DD-8), USS Lawrence (DD-250), USS Lawrence (DD-954)/USS Lawrence (DDG-4))
 * USS Lawrence C. Taylor (USS Lawrence C. Taylor (DE-415))
 * USS Lawrence County (USS Lawrence County (LST-887))
 * USNS Lawrence H. Gianella (USNS Lawrence H. Gianella (T-AOT-1125))
 * USS Laws (USS Laws (DD-558))
 * USS Lawson (USS Lawson (DE-518))
 * USS Lawton (USS Lawton (1889))
 * USS Laysan Island (USS Laysan Island (ARST-1))
 * List of LCIs (LCI(L)-1 to LCI(L)-1139)
 * USNS LCPL Roy M. Wheat (USNS LCPL Roy M. Wheat (T-AK-3016))

Le

 * USS Lea (USS Lea (DD-118))
 * USS Leader (USS Leader (PYc-42), USS Leader (AM-490)/USS Leader (MSO-490))
 * USS League Island (USS League Island (YFB-20), USS League Island (AG-149)/USS League Island (AKS-30))
 * USS Leahy (USS Leahy (DLG-16)/USS Leahy (CG-16))
 * USS Leary (USS Leary (DD-158), USS Leary (DD-879)/USS Leary (DDR-879))
 * USS Lebanon (USS Lebanon (AG-2), USS Lebanon (AK-191))
 * USS Lee (USS Lee (1775), USS Lee (1776))
 * USS Lee County (USS Lee County (LST-888))
 * USS Lee Fox (USS Lee Fox (DE-65)/USS Lee Fox (APD-45))
 * USS Leedstown (USS Leedstown (AP-73), USS Leedstown (APA-56))
 * USS Leftwich (USS Leftwich (DD-984))
 * USS Legare (1843, USCGC Legare (WSC-144))
 * USS Legonia II (USS Legonia II (SP-399))
 * USS LeHardy (USS LeHardy (DE-20))
 * USS Lehigh (USS Lehigh (1863), USS Lehigh (AK-192))
 * USS Lejeune (USS Lejeune (AP-74))
 * USS Lelaka (USS Lelaka (YTB-514)/USS Lelaka (YTM-777))
 * USS Leland E. Thomas (USS Leland E. Thomas (DE-420))
 * USS Lenape (USS Lenape (ID-2700))
 * USS Lenapee (USS Lenapee (1863))
 * USS Lenawee (USS Lenawee (APA-195))
 * USS Lenoir (USS Lenoir (AKA-74), USS Lenoir (PCC-582))
 * USS Leo (USS Leo (AKA-60))
 * USS Leon (USS Leon (AP-93)/USS Leon (APA-48))
 * USS Leonard F. Mason (USS Leonard F. Mason (DD-852))
 * USS Leonard Wood (USS Leonard Wood (AP-25)/USS Leonard Wood (APA-12))
 * USS Leonidas (USS Leonidas (1861), USS Leonidas (AD-7))
 * USS Leonie (USS Leonie (YHB-19))
 * USS Leonis (USS Leonis (AK-128))
 * USS Leopard (USS Leopard (IX-122))
 * USS Leopold (USS Leopold (DE-319))
 * USS LeRay Wilson (USS LeRay Wilson (DE-414))
 * USNS Leroy Grumman (USNS Leroy Grumman (T-AO-195))
 * USS Leslie (USS Leslie (1861), USS Leslie (YFB-7))
 * USS Leslie L.B. Knox (USS Leslie L.B. Knox (DE-580))
 * USS Lester (USS Lester (DE-1022))
 * USS Lesuth (USS Lesuth (AK-125))
 * USS Letitia (USS Letitia (SP-398))
 * USS Letter B (USS Letter B (SP-732))
 * USS Leutze (USS Leutze (DD-481))
 * USS Lev III (USS Lev III (YP-157))
 * USS Levant (USS Levant (1837))
 * USS Levi Woodbury (1837, 1864)
 * USS Leviathan (USS Leviathan (ID-1326))
 * USS Levisa (USS Levisa (ID-1573))
 * USS Levy (USS Levy (DE-162))
 * USS Lewis (USS Lewis (1861), USS Lewis (DE-535))
 * USS Lewis and Clark (USS Lewis and Clark (SSBN-644), USNS Lewis and Clark (T-AKE-1))
 * USS Lewis B. Puller (USS Lewis B. Puller (FFG-23), USNS Lewis B. Puller (T-MLP-3))
 * USS Lewis Hancock (USS Lewis Hancock (DD-675))
 * USS Lewis K. Thurlow (USS L. K. Thurlow (1913))
 * USS Lexington (USS Lexington (1776), USS Lexington (1825), USS Lexington (1861), USS Lexington (CC-1)/USS Lexington (CV-2), USS Lexington (CV-16)/USS Lexington (CVA-16)/USS Lexington (CVS-16)/USS Lexington (CVT-16)/USS Lexington (AVT-16))
 * USS Lexington II (USS Lexington II (SP-705))
 * USS Leyden (USS Leyden (1865), USS Leyden (IX-167))
 * USS Leyte (USS Leyte (1887), USS Leyte (ARG-8), USS Leyte (CV-32)/USS Leyte (CVA-32)/USS Leyte (CVS-32)/USS Leyte (AVT-10))
 * USS Leyte Gulf (USS Leyte Gulf (CG-55))

Li–Ll

 * USS Liberator (USS Liberator (1826), USS Liberator (1918), USS Liberator (AMc-87)/USS Liberator (IX-202))
 * USS Libertad (USS Libertad (1846))
 * USS Liberty (USS Liberty (1775), USS Liberty (ID-3461)/USS Liberty (AK-35), USS Liberty (AG-168)/USS Liberty (AGTR-5))
 * USS Liberty Belle (USS Liberty Belle (IX-72))
 * USS Liberty III (USS Liberty III (SP-1229))
 * USS Libra (USS Libra (AK-53)/USS Libra (AKA-12)/USS Libra (LKA-12))
 * USS Liddle (USS Liddle (DE-76), USS Liddle (DE-206)/USS Liddle (APD-60))
 * USS Lightfoot (USS Lightfoot (AM-331))
 * USS Lightning (USS Lightning (1865))
 * USS Lignite (USS Lignite (IX-162))
 * USS Liguria (USS Liguria (AKS-15))
 * USS Lilac (USS Lilac (1863), USS Lilac (1892))
 * USS Lilian (USS Lilian (1863))
 * USS Lillian Anne (USS Lillian Anne (YFB-41))
 * USS Lillian II (USS Lillian II (SP-38))
 * USS Lillie B (USS Lillie B (SP-1502))
 * USS Lily (USS Lily (1862))
 * USS Limestone (USS Limestone (IX-158))
 * USS Limpkin (USS Limpkin (AMc-48), USS Limpkin (AMS-195)/USS Limpkin (MSC-195))
 * USS Lincoln County (USS Lincoln County (LST-898)/USNS Lincoln County (T-LST-898))
 * USS Lincoln Salvor (USS Lincoln Salvor (BARS-9))
 * USS Linda (USS Delta (1864))
 * USS Linden (USS Linden (1860), USCGC Linden (WAGL-228))
 * USS Lindenwald (USS Lindenwald (APM-6)/USS Lindenwald (LSD-6)/USNS Lindenwald (T-LSD-6))
 * USS Lindsay (USS Lindsay (DE-519))
 * USS Lindsey (USS Lindsey (DD-771)/USS Lindsey (DM-32)/USS Lindsey (MMD-32))
 * USS Ling (USS Ling (SS-297)/USS Ling (AGSS-297)/USS Ling (IXSS-297))
 * USS Lingayen (USS Lingayen (CVE-126))
 * USS Linn County (USS Linn County (LST-900))
 * USS Linnet (USS Linnet (1814), USS Linnet (AM-76)/USS Linnet (IX-166), USS Linnet (AM-417), USS Linnet (AMS-24)/USS Linnet (MSC(O)-24))
 * USS Linta (USS Linta (SP-721))
 * USS Lioba (USS Lioba (AF-36))
 * USS Lioness (USS Lioness (1857))
 * USS Lionfish (USS Lionfish (SS-298)/USS Lionfish (AGSS-298))
 * USS Lipan (USS Lipan (AT-85)/USS Lipan (ATF-85)/USNS Lipan (T-ATF-85)/USCGC Lipan (WMEC-85))
 * USS Liscome Bay (USS Liscome Bay (CVE-56))
 * USS Liston (USS Liston (IX-92))
 * USS Litchfield (USS Litchfield (DD-336)/USS Litchfield (AG-95))
 * USS Litchfield County (USS Litchfield County (LST-901))
 * USS Little (USS Little (DD-79)/USS Little (APD-4), USS Little (DD-803))
 * USS Little Ada (USS Little Ada (1864))
 * USS Little Aie (USS Little Aie (SP-60))
 * USS Little Belt (USS Little Belt (1812))
 * USS Little Brothers (USS Little Brothers (SP-921))
 * USS Little Compton (USS Little Compton (YF-864))
 * USS Little Rebel (USS Little Rebel (1859))
 * USS Little Rock (USS Little Rock (CL-92)/USS Little Rock (CLG-4)/USS Little Rock (CG-4), USS Little Rock (LCS-9))
 * USS Little Sisters (USS Little Sisters (SP-2530))
 * USS Littlehales (USS Littlehales (AGS-7), USS Littlehales (AGSC-15), USNS Littlehales (T-AGS-52))
 * USS Lively (USS Lively (YT-14))
 * USS Livermore (USS Livermore (DD-429))
 * USS Livingston (USS Livingston (AP-163)/USS Livingston (AK-222))
 * USS Lizardfish (USS Lizardfish (SS-373))
 * USS Lloyd (USS Lloyd (DE-209)/USS Lloyd (APD-63))
 * USS Lloyd E. Acree (USS Lloyd E. Acree (DE-356))
 * USS Lloyd Thomas (USS Lloyd Thomas (DE-312), USS Lloyd Thomas (DE-374), USS Lloyd Thomas (DD-764)/USS Lloyd Thomas (DDE-764))

Lo

 * USS Locator (USS Locator (YAGR-6)/USS Locator (AGR-6))
 * USS Lockwood (USS Lockwood (DE-1064)/USS Lockwood (FF-1064))
 * USS Locust (USS Locust (1910), USS Locust (YN-17)/USS Locust (AN-22))
 * USS Lodestone (USS Lodestone (ADG-8))
 * USS Lodona (USS Lodona (1862))
 * USS Loeser (USS Loeser (DE-680))
 * USS Lofberg (USS Lofberg (DD-759))
 * USS Logan (USS Logan (APA-196)/USS Logan (LPA-196))
 * USNS Logan's Fort (USNS Logan's Fort (T-AO-160))
 * USS Loggerhead (USS Loggerhead (SS-374)/USS Loggerhead (AGSS-374))
 * USS Logic (USS Logic (AM-258))
 * USS Lomado (USS Lomado (SP-636))
 * USS Lone Jack (USNS Lone Jack (T-AO-161))
 * USS Lone Wolf (USS Lone Wolf (YT-179)/USS Lone Wolf (YTB-179))
 * USS Long (USS Long (DD-209)/USS Long (DMS-12))
 * USS Long Beach (USS Long Beach (ID-2136)/USS Long Beach (AK-9), USS Long Beach (PG-142)/USS Long Beach (PF-34), USS Long Beach (CLGN-160)/USS Long Beach (CGN-160)/USS Long Beach (CGN-9))
 * USS Long Island (USS Long Island (SP-572), USS Long Island (AVG-1)/USS Long Island (ACV-1)/USS Long Island (CVE-1))
 * USS Longshaw (USS Longshaw (DD-559))
 * USS Longspur (USS Longspur (AMc-10), USS Longspur (AM-404), USS Longspur (AMCU-28)/USS Longspur (MHC-28))
 * USNS Longview (USNS Longview (T-AGM-3))
 * USS Lonoto (USS Lonoto (YT-407)/USS Lonoto (YTB-407)/USS Lonoto (YTM-407))
 * USS Lookout (USS Lookout (YAGR-2)/USS Lookout (AGR-2))
 * USS Lorain (USS Lorain (APR-6), USS Lorain (YT-330), USS Lorain (APA-99), USS Lorain (PF-97), USS Lorain (PF-93))
 * USS Lorain County (USS Lorain County (LST-1177))
 * USS Lorikeet (USS Lorikeet (AMc-49), USS Lorikeet (AMS-49)/USS Lorikeet (MSC(O)-49))
 * USS Loring (USS Loring (DE-520))
 * USS Los Alamos (USS Los Alamos (AFDB-7))
 * USS Los Angeles (USS Los Angeles (ID-1470), USS Los Angeles (ZR-3), USS Los Angeles (CA-135), USS Los Angeles (SSN-688))
 * USS Lossie (USS Lossie (PG-108))
 * USS Lot M. Morrill (1889)
 * USS Louden (USS Louden (PC-1213))
 * USS Lough (USS Lough (DE-586))
 * USS Louis (USS Louis (DE-517))
 * USS Louis McLane (1861)
 * USS Louise No. 2 (USS Louise No. 2 (SP-1230))
 * USS Louisiana (USS Louisiana (1812), USS Louisiana (1861), USS Louisiana (BB-19), USS Louisiana (BB-71), USS Louisiana (SSBN-743))
 * USS Louisville (USS Louisville (1862), USS Louisville (ID-1644), USS Louisville (CL-28)/USS Louisville (CA-28), USS Louisville (SSN-724))
 * USS Lovelace (USS Lovelace (DE-198))
 * USS Lovering (USS Lovering (DE-39), USS Lovering (DE-272))
 * USS Lowe (USS Lowe (DE-325)/USCGC Lowe (WDE-425)/USS Lowe (DER-325))
 * USS Lowell (USS Lowell (SP-504))
 * USS Lowndes (USS Lowndes (APA-154)/USS Lowndes (LPA-154))
 * USS Lowry (USS Lowry (DD-770))
 * USS Loy (USS Loy (DE-160)/USS Loy (APD-56))
 * USS Loyal (USNS Loyal (T-AGOS-22))
 * USS Loyalty (USS Loyalty (AMc-88), USS Loyalty (AM-457)/USS Loyalty (MSO-457))

Ls–Ly

 * List of LSMs (LSM-1 through LSM-558, including all LSM(R)s)
 * List of LSTs (LST-1 through LST-1070)


 * USNS Lt. George W. G. Boyce (USNS Lt. George W. G. Boyce (T-AK-251))
 * USNS Lt. James E. Robinson (USNS Lt. James E. Robinson (T-AKV-3)/USNS Lt. James E. Robinson (T-AG-170)/USNS Lt. James E. Robinson (T-AK-274))
 * USNS Lt. Raymond O. Beaudoin (USNS Lt. Raymond O. Beaudoin (T-AP-189))
 * USNS Lt. Robert Craig (USNS Lt. Robert Craig (T-AK-252))
 * USS Lt. Thomas W. Fowler (USS Lt. Thomas W. Fowler (YOG-107))
 * USNS LTC Calvin P. Titus (USNS LTC Calvin P. Titus (T-AK-5089))
 * USS LTC John U. D. Page (USNS LTC John U. D. Page (T-AK-4496))
 * USS Lu-O-La (USS Lu-O-La (SP-520))
 * USS Lubbock (USS Lubbock (APA-197))
 * USS Luce (USS Luce (DD-99)/USS Luce (DM-4), USS Luce (DD-522), USS Luce (DL-7)/USS Luce (DLG-7)/USS Luce (DDG-38))
 * USS Luce Bros. (USS Luce Bros. (SP-846))
 * USS Lucia (USS Lucia (1912))
 * USS Lucid (USS Lucid (AM-259), USS Lucid (AM-458)/USS Lucid (MSO-458))
 * USS Lucidor (USS Lucidor (AF-45))
 * USS Lucille Ross (USS Lucille Ross (SP-1211))
 * USS Ludington (USS Ludington (PC-1079))
 * USS Ludlow (USS Ludlow (1808), USS Ludlow (DD-112)/USS Ludlow (DM-10), USS Ludlow (DD-438))
 * USS Luella (USS Luella (1917))
 * USS Luiseno (USS Luiseno (AT-156)/USS Luiseno (ATF-156))
 * USS Lumen (USS Lumen (AKA-30))
 * USS Luna (USS Luna (AKS-7))
 * USS Lunga Point (USS Lunga Point (CVE-94)/USS Lunga Point (CVU-94)/USS Lunga Point (AKV-32))
 * USS Lupin (USS Lupin (1861))
 * USCGC Lupine (USCGC Lupine (WAGL-230))
 * USS Luster (USS Luster (IX-82))
 * USS Luzerne (USS Luzerne (APA-243))
 * USS Luzerne County (USS Luzerne County (LST-902))
 * USS Luzon (USS Luzon (PG-47)/USS Luzon (PR-7), USS Luzon (ARG-2))
 * USS Lycoming (USS Lycoming (APA-155))
 * USS Lydia (USS Lydia (SP-62), USS Lydia (ID-3524))
 * USS Lydia III (USS Lydia III (SP-676))
 * USS Lydonia (USS Lydonia (SP-700),USS Lyndonia (SP-734))
 * USS Lykens (USS Lykens (SP-876)/USS Lykens (AT-56))
 * USS Lyman (USS Lyman (DE-302))
 * USS Lyman County (USS Lyman County (LST-903))
 * USS Lyman K. Swenson (USS Lyman K. Swenson (DD-729))
 * USS Lynch (USS Lynch (1776), USNS Lynch (T-AGOR-7))
 * USNS Lynchburg (USNS Lynchburg (T-AO-154))
 * USS Lynde McCormick (USS Lynde McCormick (DD-958)/USS Lynde McCormick (DDG-8))
 * USS Lyndon B. Johnson (USS Lyndon B. Johnson (DDG-1002))
 * USS Lyndonia (USS Lyndonia (SP-734))
 * USNS Lynn (USNS Lynn (T-AG-182))
 * USS Lynnhaven (USS Lynnhaven (YF-328))
 * USS Lynx (USS Lynx (1814), USS Lynx (SP-2), USS Lynx (AK-100))
 * USS Lynx II (USS Lynx II (SP-730))
 * USS Lyon (USS Lyon (AP-71))
 * USS Lyon County (USS Lyon County (LST-904))
 * USS Lyra (USS Lyra (AK-101))

Primary

 * Dictionary of American Naval Fighting Ships, L
 * Naval Vessel Register, K

Secondary

 * navy.mil: List of homeports and their ships
 * NavSource Naval History