Surname Petrih (Petrih 
, Петрих 
) , throughout the world, is a very rare cognomen. The family name Petrih is characteristic of Croatia, where it is a rare surname, Kazakhstan, and Kyrgyzstan, where it is a very rare surname. In absolute terms, this name is the most popular in Kazakhstan, Russia, and Croatia. Much less frequently, Petrih is the forename as well as the last name.