Ocaina is an indigenous American language spoken in western South America.

Ocaina belongs to the Witotoan language family.

Ocaina is spoken by 54 people in northeastern Peru and by 12 more in the Amazonas region of Colombia.

[citation needed] There are two dialects of Ocaina: Dukaiya and Ibo'tsa.

Syllables in Ocaina may be marked with one of two tones: high or low.