Ingolf is a given name, similar to Adolf, that means "royal or kingly wolf". It may refer to:
Ingolf of Sweden (disambiguation), the name of three rulers of Sweden
Count Ingolf of Rosenborg (born 1940), member of the Danish royal family
Ingolf Elster Christensen (1872–1943), Norwegian politician
Ingolf Dahl (1912–1970), German-born American composer, pianist, conductor and educator
Ingolf Davidsen (1893–1946), Norwegian gymnast
Ingolf Mork (born 1947), Norwegian ski jumper
Ingolf E. Rasmus (1902-1996), American politician and lawyer
Ingolf Schanche (1877–1954), Norwegian actor and theatre director
Ingolf Wiegert (born 1957), former East German handball player
Ingolf Wunder (born 1985), Austrian pianist
Ingolf Vogeler, a character in the Emberverse series of science fiction novels by S. M. Stirling, first appearing in The Sunrise Lands
Ingolf Fjord in Greenland