Irgens is a Norwegian surname. Notable people with the surname include:Åshild Irgens, Norwegian illustrator Christian Andreas Irgens (1833–1915), Norwegian politician Joachim Irgens von Westervick (1611–1675), Dano-Norwegian nobleman Johan Irgens-Hansen (1854–1895), Norwegian literary critic, theatre critic and theatre director Johannes Irgens (1869–1939), Norwegian barrister, diplomat and politician Kjeld Stub Irgens (1879–1963), Norwegian politician during the German occupation of Norway Lars Johannes Irgens (1775–1830), Norwegian jurist and politician Ludvig Irgens-Jensen (1894–1969), Norwegian twentieth-century composer Nils Christian Irgens (1811–1878), Norwegian military officer and politician Ole Irgens (bishop) (1724–1803), bishop in the Church of Norway Ole Irgens (politician) (1829–1906), Norwegian politician Diane Jergens, born Dianne Irgens Einar Irgens Gustafson, Counselor for Norwegian Defense Industry