Family name Erkana (Erkana 
) , all around the world, is a rare surname. The last name Erkana is characteristic of Namibia, where it is quite a rare surname, Indonesia, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Namibia, Indonesia, and India. Very seldom, Erkana is the forename as well as the last name.