In the world, Kaena (Kaena 
) is a rare dominantly female, but infrequently male given name. The given name Kaena is characteristic of Brazil, where it is a very rare unisex name, France, where it is a very rare girly name, and India, where it is a very rare mostly girly, but seldom male name. In absolute terms, it is the most numerous in India, Brazil, and the United States. Very seldom, Kaena is the last name as well as the forename.