Klaus Friedrich
Klaus Friedrich is the name of the following people:
- Klaus Friedrich (judge) (1921–2005), German lawyer and judge
- Klaus Friedrich (economist) (* 1938), German-American economist
- Klaus Friedrich (materials scientist) (* 1945), German materials scientist
- Klaus Friedrich (geographer) (* 1945), German geographer, social geographer and university lecturer
- Klaus Friedrich (politician) (* 1960), German politician
- Klaus Dieter Friedrich (1930–2003), German politician (CDU), district mayor of Berlin-Steglitz