Family name Traîner (Treni 
, Traîner) , in the entire world, is a rare last name. The last name Traîner is characteristic of Albania, where it is quite a rare surname, Greece, where it is a rare surname, and Indonesia, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Indonesia, Albania, and the United States. Much less frequently, Traîner is the forename as well as the last name.