Bosanska Otoka (Serbian Cyrillic: Босанска Отока) or just Otoka (Отока) is a village on the river Una in Bosnia and Herzegovina.

It is part of the Bosanska Krupa municipality of Una-Sana Canton, in the Federation of Bosnia and Herzegovina.

Before the Bosnian War, the entire town was part of the Bosanska Krupa municipality, but after the Dayton Peace Agreement one part of the inhabited area of Otoka became a part of municipality Krupa na Uni, divided by the Inter-Entity Boundary Line.

It lies on the ancient Roman road connecting the Podunavlje region to the Adriatic Sea Otoka is located 11 km north of Bosanska Krupa, 23 km from Bužim and 22 km southwest of Novi Grad (formerly Bosanski Novi).

The right and left banks are connected by a steel bridge built in 1920.