Japanese occupation may refer to:
- Occupation of Japan, the occupation of Japan by United States forces following World War II
- Japanese occupation of British Borneo (territories now part of East Malaysia and Brunei)
- Japanese occupation of Burma
- Japanese occupation of Cambodia
- Japanese occupation of the Dutch East Indies (territories now part of Indonesia and East Timor)
- Japanese occupation of the Gilbert Islands
- Japanese occupation of Guam
- Japanese occupation of Hong Kong
- Japanese occupation of Malaya (territories now part of peninsular Malaysia)
- Japanese occupation of Nauru
- Japanese occupation of the Philippines
- Japanese occupation of Singapore
- Japanese occupation of Thailand
- Japanese occupation of Vietnam
- Japanese occupation of the Andaman Islands
- Japanese occupation of the Aleutian Islands
- Japanese occupation of various parts of China during the Second Sino-Japanese War
- Japanese occupation of Manchuria; see Manchukuo, a Japanese puppet state in northeastern China