Family name Gratter (Grati 
, Gratter 
) , in the entire world, is quite a rare cognomen. The cognomen Gratter is characteristic of Moldova, where it is quite a common surname, Tunisia, where it is quite a rare surname, and Italy, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Tunisia, Moldova, and Indonesia. Also, Gratter is the forename as well as the last name.