In the entire world, Симма (Simma 
, Cimma 
, Симма 
) is quite a common epicene forename. The given name Симма is characteristic of Ethiopia, where it is quite a rare female name, India, where it is a rare epicene name, and Greece, where it is a rare boy's name. In absolute terms, this name is the most popular in India, Ethiopia, and Russia. Likewise, Симма is the last name as well as the forename.