Family name Dostu (Dostu 
) , all over the world, is a rare surname. The last name Dostu is characteristic of Western Asia, particularly Azerbaijan, where it is quite a rare surname, Israel, where it is a rare surname, and Georgia, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Western Asia, particularly Azerbaijan, Israel, and Turkey. Likewise, Dostu is the forename as well as the last name.