Globally, Yerka (尤科 
, Ерка 
, Yerka 
) is a rare epicene forename. The first name Yerka is characteristic of Bulgaria, where it is quite a rare girly name, Bolivia, where it is a rare female name, and Chile. Measured by absolute frequency, the name is most common in China, Bulgaria, and Chile. Also, Yerka is the last name as well as the forename.