Ranks and insignia of officers of NATO Navies

Officers (OF 1–10)

NATO Code	OF-10	OF-9	OF-8	OF-7	OF-6	OF-5	OF-4	OF-3	OF-2	OF-1		OF(D)	Student Officer
Belgium (Edit)	no equivalent											no equivalent	no equivalent
		Admiraal	Vice-admiraal	Divisieadmiraal	Flottieljeadmiraal	Kapitein-ter-zee	Fregatkapitein	Korvetkapitein	Luitenant-ter-zee 1ste klasse Luitenant-ter-zee	Vaandrig-ter-zee	Vaandrig-ter-zee 2de klasse		Aspirant de marine
		Amiral	Vice-amiral	Amiral de division	Amiral de flottille	Capitaine de vaisseau	Capitaine de frégate	Capitaine de corvette	Lieutenant de vaisseau de 1re classe Lieutenant de vaisseau	Enseigne de vaisseau	Enseigne de vaisseau de 2e classe		Aspirant de marine
Canada (Edit)	No equivalent											No equivalent
		Admiral	Vice-admiral	Rear-admiral	Commodore	Captain	Commander	Lieutenant-commander	Lieutenant	Sub-lieutenant	Acting sub-lieutenant		Naval cadet
		Amiral	Vice-amiral	Contre-amiral	Commodore	Capitaine de vaisseau	Capitaine de frégate	Capitaine de corvette	Lieutenant de vaisseau	Enseigne de vaisseau de 1re classe	Enseigne de vaisseau de 2e classe		Aspirant de marine
Croatia (Edit)												no equivalent	no equivalent
	admiral flote	admiral	viceadmiral	kontraadmiral	komodor	kapetan bojnog broda	kapetan fregate (Fregattenkapitän)	kapetan korvete (Korvettenkapitän)	poručnik bojnog broda (Linienschiffsleutnant)	poručnik fregate (Fregattenleutnant)	poručnik korvete (Korvettenleutnant)
Denmark (Edit)	no equivalent											no equivalent
		Admiral	Viceadmiral	Kontreadmiral	Flotilleadmiral	Kommandør	Kommandørkaptajn	Orlogskaptajn	Kaptajnløjtnant	Premierløjtnant	Løjtnant
France (Edit)
	Amiral de France	Amiral	Vice-amiral d'escadre	Vice-amiral	Contre-amiral	Capitaine de vaisseau	Capitaine de frégate	Capitaine de corvette	Lieutenant de vaisseau	Enseigne de vaisseau de 1re classe	Enseigne de vaisseau de 2e classe	Aspirant	Élève-officier
Germany (Edit)	no equivalent	Admiral	Vize- admiral	Konter- admiral	Flottillen- admiral	Kapitän zur See	Fregatten- kapitän	Korvetten- kapitän	Stabskapitän- leutnant Kapitän- leutnant	Oberleutnant zur See	Leutnant zur See	No equivalent	Enlisted rank plus a star indicating cadet's career
Greece (Edit)	no equivalent											no equivalent	no equivalent
		Ναύαρχος	Αντιναύαρχος	Υποναύαρχος	Αρχιπλοίαρχος	Πλοίαρχος	Αντιπλοίαρχος	Πλωτάρχης	Υποπλοίαρχος	Ανθυποπλοίαρχος	Σημαιοφόρος
		Navarchos	Antinavarchos	Yponavarchos	Archiploiarchos	Ploiarchos	Antiploiarchos	Plotarchis	Ypoploiarchos	Anthypoploiarchos	Simaioforos
Iceland (Edit)	no equivalent	no equivalent	no equivalent	Director General	no equivalent	Chief of Operations	1° Captain of Vessel/Aircraft	2° Captain of Vessel/Aircraft	Commanding Officer	Officer (after 6 years service)	Officer (after 2 years service)	Officer	no equivalent
Italy (Edit)	No equivalent
		ammiraglio awarded only to the Chief of Defence Staff	ammiraglio di squadra con incarichi speciali ammiraglio di squadra	ammiraglio di divisione	contrammiraglio	capitano di vascello	capitano di fregata	capitano di corvetta	primo tenente di vascello tenente di vascello	sottotenente di vascello	guardiamarina	aspirante guardiamarina
Netherlands (Edit)												Adelborst/Korporaal-Adelborst/Sergeant-Adelborst
	Admiraal	Luitenant-Admiraal	Vice-Admiraal	Schout-bij-Nacht	Commandeur	Kapitein ter zee	Kapitein-luitenant ter zee	Luitenant ter zee der 1ste klasse	Luitenant ter zee der 2de klasse oudste categorie	Luitenant ter zee der 2de klasse	Luitenant ter zee der 3de klasse
Norway (Edit)	no equivalent											no equivalent	no equivalent
		Admiral	Viseadmiral	Kontreadmiral	Flaggkommandør	Kommandør	Kommandørkaptein	Orlogskaptein	Kapteinløytnant	Løytnant	Fenrik
Poland (Edit)												no equivalent	various
	Marszałek Polski	Admirał	Admirał floty	Wiceadmirał	Kontradmirał	Komandor	Komandor porucznik	Komandor podporucznik	Kapitan marynarki	Porucznik marynarki	Podporucznik marynarki		Podchorąży
Portugal (Edit)
	Almirante da Armada|	Almirante	Vice-almirante	Contra-almirante	Comodoro	Capitão de Mar e Guerra	Capitão de Fragata	Capitão-tenente	Primeiro-tenente	Segundo-tenente	Guarda-marinha and Subtenente	Aspirante (Naval School) Aspirante (others)	Cadete
Romania (Edit)
	Mareșal	Amiral	Viceamiral	Contraamiral	Contraamiral de flotilă	Comandor	Căpitan-comandor	Locotenent-comandor	Căpitan	Locotenent	Aspirant
Spain (Edit)
	Capitán general	Almirante general	Almirante	Vice almirante	Contra almirante	Capitán de navío	Capitán de fragata	Capitán de corbeta	Teniente de navío	Alférez de navío	Alférez de fragata	Guardiamarina 2	Guardiamarina 1	Alumno 2	Alumno 1
Turkey (Edit)													No Insignia
	Büyükamiral	Oramiral	Koramiral	Tümamiral	Tuğamiral	Albay	Yarbay	Binbaşı	Yüzbaşı	Üsteğmen	Teğmen	Asteğmen	Bahriyeli
United Kingdom (Edit)
	Admiral of the Fleet	Admiral	Vice admiral	Rear admiral	Commodore	Captain	Commander	Lieutenant commander	Lieutenant	Sub lieutenant	Midshipman	Officer cadet
United States (Edit)													various
	Fleet Admiral	Admiral	Vice Admiral	Rear Admiral	Rear Admiral (lower half)	Captain	Commander	Lieutenant Commander	Lieutenant	Lieutenant (junior grade)	Ensign	Midshipman/Officer Candidate
NATO Code	OF-10	OF-9	OF-8	OF-7	OF-6	OF-5	OF-4	OF-3	OF-2	OF-1		OF(D)	Student Officer

Warrant officers (WO1–5)

Warrant officers rank below officers and above enlisted servicemen.

NATO Rank	WO-5	WO-4	WO-3	WO-2	WO-1
United States					no equivalent
	Chief Warrant Officer 5	Chief Warrant Officer 4	Chief Warrant Officer 3	Chief Warrant Officer 2
NATO Rank	WO-5	WO-4	WO-3	WO-2	WO-1

WO are used for United States warrant officers only. Countries not listed use only regular officer ranks, do not have warrant officers, or warrant officers are considered OR (Other/Enlisted Rank).

See also

• Ranks and insignia of NATO
• Ranks and insignia of NATO Armies Officers
• Ranks and insignia of NATO Armies Enlisted
• Ranks and insignia of NATO Air Forces Officers
• Ranks and insignia of NATO Air Forces Enlisted
• Ranks and insignia of NATO Navies Officers
• Ranks and insignia of NATO Navies Enlisted