Surname Petrix (Petrix 
, Петрих 
) , throughout the world, is a rare family name. The family name Petrix is habitual in Aland Islands, where it is quite a common surname, Kazakhstan, where it is a rare surname, and Kyrgyzstan, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Indonesia, France, and Myanmar. Likewise, Petrix is the forename as well as the last name.