Harald Friedrich
Harald Friedrich is the name of the following people:
- Harald Friedrich (painter) (1858–1933), German painter
- Harald Friedrich (industrialist) (1907–1979), founder of the Alzmetall machine tool factory and foundry in Altenmarkt an der Alz
- Harald Friedrich (physicist) (1947–2017), German physicist
- Harald Friedrich (biochemist) (* 1952), German biochemist, ministry department head