Pfeifer ( , ) is a German-language occupational surname meaning "whistler" or "pipe-" or "fife-player" and etymologically akin to English Piper and Fifer; other spellings include Pfeiffer. The spelling Pfeifer may refer to:

People: Anton Pfeifer (born 1937), German politician Carl Ferdinand Pfeifer (1915–2001), United States Navy officer and aide to Presidents Harry S. Truman and Dwight D. Eisenhower Felix Pfeifer (1871–1945), German sculptor and medallist George Pfeifer (born 1955), former head men's basketball coach at the University of Idaho Hellmuth Pfeifer (1894–1945), German general who commanded the 65. Infantrie Division during World War II Jörg Pfeifer (born 1952), East German athlete who competed mainly in the 100 metres Joseph L. Pfeifer (1892–1974), United States Representative from New York Karl Pfeifer, (1928–2023), Austrian journalist Louis Fred Pfeifer (1876–1917), private in the United States Marine Corps who received the Medal of Honor Manuel Pfeifer (born 1999), Austrian football player Marcuse Pfeifer (1936–2020), American gallerist Melanie Pfeifer (born 1986), German slalom canoeist who has competed since the late 2000s Michael David Pfeifer (born 1937), Roman Catholic bishop of the Diocese of San Angelo Paul Pfeifer (born 1942), American politician of the Ohio Republican party Philip Pfeifer (born 1992), American baseball player Rolf Pfeifer (born 1947), professor of computer science at the Department of Informatics, University of Zurich Scott Pfeifer (born 1977), Canadian curler from Sherwood Park who plays out of the Saville Sports Centre in Edmonton Sílvia Pfeifer (born 1958), Brazilian actress Steve Pfeifer (born 1938), American racing driver Viktor Pfeifer (born 1987), Austrian figure skater Will Pfeifer (born 1967), American comic book writer Wolfgang Pfeifer (1935–2026), German footballer Wolfgang Pfeifer (etymologist) (1922–2020), German scholar and linguist

Communities: Pfeifer, Kansas, unincorporated community in Ellis County, Kansas, United States

See also Pfeifer Broz. Music, musical consultant and production team (Jeffrey & Robert Pfeifer) Pfeifer Zeliska .600 Nitro Express revolver, Austrian single-action revolver produced by Pfeifer firearms Pfeiffer (disambiguation) Feiffer