Eggen is a Norwegian surname. Notable people with the surname include:
Arne Eggen (1881–1955), Norwegian composer and organist Arnljot Eggen (1923–2009), Norwegian poet Dan Eggen (born 1970), Norwegian footballer David Eggen (born 1962), Canadian politician Eystein Eggen (1944–2010), Norwegian author laureate Gjermund Eggen (1941–2019), Norwegian cross country skier Jo Eggen (born 1952), Norwegian Contemporary poet Knut Torbjørn Eggen (1960–2012), Norwegian football coach Nils Arne Eggen (1941–2022), Norwegian football coach Olin J. Eggen (1919–1998), American astronomer Torgrim Eggen (born 1958), Norwegian author Vegar Eggen Hedenstad (born 1991), Norwegian football defender