Ojima may refer to:
Ojima (surname), a Japanese surname Ojima, Gunma, a town merged into the city of Ōta, Gunma Prefecture, Japan Ojima Station, a railway station in Kōtō, Tokyo, Japan Higashi-ojima Station, a railway station in Kōtō, Tokyo, Japan Nishi-ojima Station, a railway station in Kōtō, Tokyo, Japan Ojima Domain, also known as Kojima Domain, a Japanese domain of the Edo period Ojima River, a tributary of Turgeon Lake in Quebec, Canada Rivière-Ojima, Quebec, an unorganized territory of RCM Abitibi-Ouest, in Quebec, Canada Ou Island, an island in Okinawa, Japan
See also Ojima lactam, an organic compound of some importance in the commercial production of Taxol