Fiedler is a German surname meaning "fiddler". Notable people with the surname include:
Adolf Gottlieb Fiedler, industrial investor beginning 19th century in Saxony, Germany and Opatówek, PolandArkady Fiedler (1894–1985), Polish writerArthur Fiedler (1894–1979), American conductorBea Fiedler (born 1957), German modelBobbi Fiedler (born 1937), American politicianChristian Fiedler (born 1975), former German football goalkeeperEdgar Fiedler (d. 2003), American economistEllen Fiedler (born 1958), German athleteFranz Fiedler (1885–1956), Austrian photographerFred Fiedler (born 1922), industrial and organizational psychologistFiedler contingency model, a leadership theory developed by Fred FiedlerFritz Fiedler (1899–1972), German automobile engineerHermann Georg Fiedler (1862–1945), German scholarJay Fiedler (born 1971), American football playerJens Fiedler (canoer), East German sprint canoerJens Fiedler (cyclist), German cyclistJohn Fiedler (1925–2005), American actorJoshua Fiedler, American musicianLee N. Fiedler (born 1941), former mayor of Cumberland, MarylandLeslie Fiedler (1917–2003), American literary criticMargaret Fiedler, London-based American musicianMax Fiedler (1859–1939), German conductor and composerMiroslav Fiedler (1926–2015), Czech mathematicianRichard Fiedler, German scientist who invented the flame thrower