In all the world, Айнис (Ainis 
, Айнис 
) is a rare unisex forename. The first name Айнис is characteristic of Latvia, where it is quite a rare largely masculine, but uncommonly feminine name, Lithuania, where it is quite a rare masculine name, and Indonesia, where it is a rare unisex name. In absolute terms, the name is most common in Indonesia, India, and Latvia. Very seldom, Айнис is the last name as well as the forename.