Engdahl is a surname, meaning ‘meadow (äng) valley (dahl)’, and may refer to:
Emma Engdahl-Jägerskiöld (1852–1930), Finnish opera singer F. William Engdahl (born 1944), American economist and writer Horace Engdahl (born 1948), Swedish literary historian and critic J. Louis Engdahl (1884–1932), American radical journalist Knut Engdahl (born 1933), Norwegian politician Nils Engdahl (1898–1983), Swedish athlete Per Engdahl (1909–1994), Swedish Neo-Nazi politician Sylvia Engdahl (born 1933), American science fiction writer Cody C. Engdahl (born 1971), American historical novelist
See also Engberg Englund