List of Japanese operations during World War II

This is a list of known Japanese operations planned, executed or aborted during the Second World War.


 * Operation B 1941 - Japanese invasion of Sarawak, British Borneo
 * Operation E 1941 - Japanese invasion of Thailand and Northeast Malaya
 * Operation FU 1941 - Japanese invasion of Indochina
 * Operation M 1941 - Japanese invasion of the Philippine Islands
 * Operation AI 1941 - Japanese attack on Pearl Harbor, Hawaii, United States
 * Operation AL 1942 - Japanese invasion of the Aleutian Islands, Alaska, United States
 * Operation B 1942 - Japanese invasion of Burma
 * Operation C 1942 - Japanese reconnaissance and raid operations in the Indian Ocean
 * Operation D 1942 - Japanese invasion of the Andaman Islands
 * Operation H 1942 - Japanese invasion of Celebes, Ambon and Timor
 * Invasion of Celebes (1942)
 * Battle of Ambon
 * Battle of Timor
 * Operation J 1942 - Japanese invasion of Java, Netherlands East Indies
 * Operation K 1942 - Japanese reconnaissance and air raid on Pearl Harbor, Hawaii, United States
 * Operation Ka 1942 - Japanese plan to destroy the American fleet and recapture Guadalcanal, Solomon Islands
 * Operation L 1942 - Japanese landing operation in Palembang, Sumatra
 * Operation MI 1942 - Aborted Japanese invasion of Midway Island
 * Operation MO 1942 - Aborted Japanese invasion of Port Moresby, New Guinea
 * Operation R 1942 - Japanese invasion of Rabaul, New Britain and Kavieng, New Ireland
 * Operation SR 1942 - Japanese invasion of Lae and Salamaua, New Guinea
 * ( Operation ? ) 1942 - Japanese attack along the Kokoda track (New Guinea)
 * Operation T 1942 - Japanese invasion of northern Sumatra
 * Operation U 1942 - Japanese invasion of Burma
 * Operation I 1943 - Japanese air raid against Allied advances on New Guinea and Guadalcanal, Solomon Islands
 * Operation KE 1943 - Japanese evacuation of Guadalcanal, Solomon Islands
 * Operation KE (Kiska evacuation) 1943 - Japanese evacuation of Kiska, Aleutian Islands, Alaska, United States
 * Operation RY 1942 - Japanese invasion of Nauru and Ocean islands
 * Operation RO 1943 - Japanese defensive plan against Allied attacks on Rabaul, New Britain
 * Operation Ta 1943 - Japanese attack on Bougainville in the Solomon Islands
 * Operation Tasumaki 1944 - Japanese attack on Bougainville, Solomon Islands
 * Operation A-Go 1944 - Japanese attack of the American fleet off Saipan, Mariana Islands
 * Operation Ban-Go 1944 - Japanese defensive operation at the Irrawaddy River in Burma
 * Operation Dan-Go 1944 - Japanese operation after the failed operation U-Go offensive in India
 * Operation FS 1944 - Japanese cancelled plan to isolate Australia by capturing New Caledonia, Samoa, and Fiji
 * Operation Fu-Go 1944 - Japanese aerial bombing of the United States via balloons
 * Operation Ha-Go 1944 - Japanese action to isolate and destroy Anglo-Indian forces at Arakan, Burma; precursor to operation U-Go
 * Operation Ichi-Go 1944 - Japanese attack in Eastern China to link up Northern China and Indochina
 * Operation Kan-Go 1944 - Japanese defensive plan in Southern Burma
 * Operation Kon 1944 - Japanese defensive operation on Biak Island, New Guinea
 * Operation Sho I 1944 - Japanese attack of the American fleet off Leyte, Philippine Islands; part of operation Sho-Go
 * Operation Sho II 1944 - Japanese defence plan for Formosa and the Ryukyu Islands, Japan; part of operation Sho-Go
 * Operation Sho III 1944 - Japanese defence plan for Honshū, Japan; part of operation Sho-Go
 * Operation Sho IV 1944 - Japanese defence plan for Hokkaido, Japan; part of operation Sho-Go
 * Operation Sho-Go 1944 - Japanese defence plan against American advances toward Japan
 * Operation Ta 1944 - Japanese attack on American forces at Cape Torokina, Bougainville, Solomon Islands
 * Operation TA 1944 - Japanese convoys in and out of the Philippines.
 * Operation Take-Ichi 1944 - Japanese convoys to the Doberai Peninsula in Western New Guinea
 * Operation To-Go 1944 - Phase one of Japanese attack in Eastern China; part of operation Ichi-Go
 * Operation U-Go 1944 - Japanese assault on Imphal and Kohima, India
 * Operation Arashi 1945 - Japanese air raid on Ulithi Atoll, Caroline Islands
 * Operation Hikari 1945 - Japanese reconnaissance of Ulithi Atoll, Caroline Islands; part of operation Arashi
 * Operation Ketsu-Go 1945 - Japanese defence plan against potential American invasion of the Japanese home islands
 * Operation Kikusui 1945 - Japanese special attack against American ships off Okinawa, Japan
 * Operation Tan 2 1945 - Japanese special attack mission against the Allied anchorage at Ulithi, Caroline Islands
 * Operation Ten-Go 1945 - Japanese naval attack against the American fleet off Okinawa, Japan; alternate name of Operation Ten'ichi-Go
 * Operation Ken 1945 - Cancelled Japanese operation to use transports to land suicide troops on American airfields in the Mariana Islands
 * Operation Kon-Go 1945 - Cancelled Japanese offensive against American ships using manned torpedoes