Friedrich may refer to:
, people with the surname ''Friedrich''
*Friedrich (given name)
, people with the given name ''Friedrich''
*Friedrich (board game)
, a board game about Frederick the Great and the Seven Years' War
, a novel about anti-semitism written by Hans Peter Richter
*Friedrich Air Conditioning
, a company manufacturing air conditioning and purifying products
*, a German cargo ship in service 1941-45