Okinawa (Japanese: 沖縄, Hepburn: Okinawa) most commonly refers to:
- Okinawa Prefecture, Japan's southernmost prefecture
- Okinawa Island, the most populous island of Okinawa Prefecture
- Okinawa Islands, an island group including Okinawa itself
- Okinawa (city), the second largest city in the prefecture
Okinawa may also refer to:
- Battle of Okinawa, a major battle in the Pacific Theater of World War II, fought between the United States and the Empire of Japan
- Okinawa (film), a 1952 American war film by Leigh Jason
- Okinawa Trough, a geologic basin in the West Pacific
- Naval Base Okinawa, United States facilities on Okinawa Island, Japan
- Okinawa Autotech, an Indian electric scooter manufacturer
- Okinawa Uno, a city and municipality in Bolivia