Oki (隠岐郡, Oki-gun) is a district located in Shimane Prefecture, Japan.

As of 2003, the district has an estimated population of 24,500 and a density of 70.79 people per km². The total area is 346.10 km².

The Oki District encompasses the Oki Islands, historically called Oki Province.

Towns and villages

• Ama (Nakanoshima Island)
• Chibu (Chiburijima Island)
• Nishinoshima (Nishinoshima Island)
• Okinoshima (Dōgo Island) - formed from the merger of Fuse, Goka, Saigō and Tsuma on October 1, 2004^[1]