Friedrich is a German given name and the origin of the English Frederick. People with the name include:
Arts
- Friedrich Gorenstein (1932–2002), Russian author and screenwriter
- Georg Friedrich Händell (1685–1759), German, later British, Baroque composer
- Friedrich Hohe (1802–1870), German lithographer and painter
- Friedrich Hölderlin (1770–1843), German poet, one of the key figures in German Romanticism
- Friedrich Hundertwasser (1928–2000), Austrian artist and architect, better known as Friedensreich Hundertwasser
- Friedrich "Fritz" Lang (1890–1976), film maker
- Otto Friedrich Walter (1928–1994), Swiss journalist, author and publisher
- Friedrich von Hardenberg (1772–1801), German poet and philosopher, better known as Novalis
- Friedrich Schiller (1759–1805), German poet and philosopher
- Friedrich Smetana (1824–1884), Czech composer who pioneered the development of a musical style that became closely identified with his country's aspirations to independent statehood, regarded in his homeland as the father of Czech music
Philosophy
- Friedrich Engels (1820–1895), German political philosopher, communist, social scientist, journalist and businessman, developer of what is now known as Marxist theory and The Communist Manifesto
- Friedrich Hayek (1899–1992), Austrian economist and political philosopher
- Friedrich Nietzsche (1844–1900), German philosopher, cultural critic, composer, poet, philologist, and Latin and Greek scholar whose work has exerted a profound influence on modern intellectual history
Other fields
- Friedrich Wöhler (1800–1882), German chemist who synthesised urea
- Archduke Friedrich, Duke of Teschen (1856–1936)
- Friedrich Ludwig Abresch (1699–1782), German born Dutch philologist
- Friedrich Bergius (1884–1949), German chemist
- Friedrich Buchardt, Baltic German SS functionary who commanded Vorkommando Moskau, one of the divisions of Einsatzgruppe B, Post-war worked for MI6 (until 1947) and then, presumably, for the CIA
- Friedrich Christiansen (1879–1972), German flying ace during World War I and commander of the German Wehrmacht in the occupied Netherlands during World War II
- Friedrich Czapek, plant physiologist who developed Czapek medium
- Friedrich Dickel (1913–1993), German politician
- Friedrich Karl Florian (1894–1975), Gauleiter of Düsseldorf in Nazi Germany
- Friedrich Fröbel (1782–1852), German pedagogue
- Friedrich Fromm (1888–1945), German army officer, Commander in Chief of the Reserve Army (Ersatzheer), in charge of training and personnel replacement for combat divisions of the German Army, executed for failing to act against the plot of 20 July 1944 to assassinate Hitler
- Friedrich Geisshardt (1919–1943), German World War II flying ace
- Friedrich Goldmann (1941–2009), German composer and conductor
- Friedrich August Grotefend (1798–1836), German philologist
- Carl Friedrich Goerdeler (1884–1945), monarchist conservative German politician, executive, economist, civil servant, and opponent of the Nazi regime
- Friedrich "Fritz" Hartjenstein (1905–1954), German Nazi SS concentration camp commandant
- Friedrich Hildebrandt (1898–1948), German SS Obergruppenführer, a Gauleiter, executed for war crimes
- Friedrich Hirzebruch (1927–2012), German mathematician
- Friedrich von Ingenohl (1857–1933), German admiral from Neuwied best known for his command of the German High Seas Fleet at the beginning of World War I
- Friedrich Jeckeln (1895–1946), German SS commander during the Nazi era, Higher SS and Police Leader in the occupied Soviet Union during World War, commander of one of the largest collection of Einsatzgruppen death squads, personally responsible for ordering and organizing the deaths of over 100,000 Jews, Romani, and others designated by the Nazis as "undesirables"
- Friedrich Kellner (1885–1970), mid-level official in Germany who worked as a justice inspector in Mainz and Laubach, best known for his diaries taht got published in 2011
- Friedrich-Wilhelm Krüger (1894–1945), Nazi official and high-ranking member of the SA and the SS, Higher SS and Police Leader in the General Government in German-occupied Poland and one of the major perpetrators of the Holocaust
- Friedrich Loeffler (1852–1915), German bacteriologist
- Friedrich Kasimir Medikus (1738–1808), German physician and botanist
- Friedrich Olbricht (1888–1944), German general during World War II and one of the plotters involved in the 20 July Plot, an attempt to assassinate Hitler in 1944
- Friedrich Panzinger (1903–1959), German SS officer during the Nazi era, head of the Reich Main Security Office (Reichssicherheitshauptamt; RSHA) Amt IV A, from September 1943 to May 1944 and the commanding officer of Einsatzgruppe A in the Baltic States and Belarus
- Friedrich Paulus (1890–1957), German field marshal during World War II who commanded the 6th Army during the Battle of Stalingrad, one of the principal commanders of Operation Uranus
- Friedrich von Rabenau (1884–1945), German General of the Artillery, theologian, and opponent of National Socialism
- Friedrich Rainer (1903–1947), Austrian Nazi politician, Gauleiter as well as a state governor of Salzburg and Carinthia
- Friedrich Sämisch (1896–1975), German chess player
- Friedrich Wetter (born 1928), German Roman Catholic Cardinal