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

See also

• Japanese expansion (1941-1942)