Okinawa Prefecture is Japan's southernmost prefecture.

Okinawa may also refer to:

• Okinawa, Okinawa, the second largest city in the prefecture
• Okinawa Island, the largest island in the prefecture
• Okinawa Islands, an island group including Okinawa Island and its neighbours
• 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 film by Leigh Jason
• Okinawa Autotech, an Indian electric scooter manufacturer
• Okinawa Uno, a city and municipality in Bolivia