Dellinger is a surname. Notable people with the surname include:
Bill Dellinger (1934–2025), American middle-distance runner and coach David Dellinger (1915–2004), American pacifist and activist for nonviolent social change Garrett Dellinger (born 2002), American football player Hampton Dellinger (born 1967), American politician, 2008 Democratic nomination for Lieutenant Governor of North Carolina John Howard Dellinger (1886-1962), American telecommunication engineer and vice chairman of Institute of Radio Engineers Matt Dellinger, US journalist of The New Yorker Rudolf Dellinger (1857–1910), German composer, Kapellmeister Walter Dellinger (1941–2022), American jurist, United States Solicitor General 1996–1997
Fictional Dellinger is a character in One Piece in who fights with kicks.
See also Dillinger (surname)