In all the world, Ohka (Ока 
, Ohka 
) is a very rare mostly boy's, but infrequently girly forename. The given name Ohka is characteristic of Kazakhstan, where it is a rare epicene name, Russia, where it is a very rare masculine name, and Nigeria, where it is an extremely rare unisex name. In absolute terms, it most frequently occurs in Russia, Kazakhstan, and China. Also, Ohka is the last name as well as the forename.