Family name Чинис (Cinis 
, Чинис 
) , worldwide, is a rare last name. The cognomen Чинис is characteristic of Latvia, where it is quite a common surname, Lithuania, where it is a rare surname, and Australia, where it is a very rare surname. Measured by absolute frequency, the name is most common in Latvia, Australia, and the United States. Much less frequently, Чинис is the forename as well as the last name.