Oki or Ōki may refer to:
Places Oki District, Shimane, a district in Shimane Prefecture, Japan Oki Islands, an archipelago in the Sea of Japan Oki Province, a former province of Japan Ōki, Fukuoka, a town in southern Japan Oki Airport, the airport serving the Oki Islands Oki Jubilee Stadium, a stadium in Kogarah, New South Wales, also known as Jubilee Oval Orkney, Chapman code OKI
Other uses Oki (surname), two separate Japanese surnames Oki (musician), an Ainu musician Oki (rapper), a Polish rapper OKI (company), an electronics and printer manufacturer (Oki Data) Super Oki, the limited express train which runs in San'in Main Line and Yamaguchi Line of West Japan Railway Oki, the original name of Sheriff Callie on Sheriff Callie's Wild West back when it was going to be called "Oki's Oasis" Oki, a doll in the Groovy Girls doll line Oki, a Powhatan spirit
OKI Oki Electric Industry, a Japanese information technology company Ohio-Kentucky-Indiana Regional Council of Governments Open Knowledge Initiative, an organization that specifies software interfaces for service-oriented architecture (SOA) Open Knowledge International, a global UK-based non-profit network that promotes and shares information at no charge Organisasi Kerja Sama Islam (formerly, Organisasi Konferensi Islam), the Organisation of Islamic Cooperation in Indonesian Okehampton Interchange railway station, a station in Okehampton, England, UK (station code OKI)
See also Daisen-Oki National Park, in Chūgoku region, Japan Okay Okhi Day, a Greek anniversary to commemorate Greek Prime Minister Metaxas's rejection of the ultimatum made by Mussolini Okie, a resident of Oklahoma