Surname Фридрихс (Friedrichs 
, Фридрихс 
, Fridrihs 
) , around the globe, is a common cognomen. The cognomen Фридрихс is habitual in Germany, where it is quite a common surname, Estonia, where it is quite a rare surname, and Latvia, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Germany, the United States, and Brazil.