Around the world, Ivast (Efa 
, Ivast 
) is a common dominantly female, but uncommonly male given name. The first name Ivast is characteristic of Indonesia, where it is quite a rare mostly female, but infrequently boy's name, Ethiopia, where it is quite a rare girly name, and Nigeria, where it is a rare unisex name. Likewise, Ivast is the last name as well as the forename.