In the world, Tassu (Tass 
, Tassu 
, Тассо 
) is quite a rare gender-neutral forename. The forename Tassu is characteristic of Tunisia, where it is quite a rare girly name, Algeria, where it is quite a rare mostly female, but infrequently boy's name, and Australia, where it is a rare epicene name. Measured by absolute frequency, it is the most numerous in Algeria, Ethiopia, and India. Likewise, Tassu is the last name as well as the forename.