Thoresen is a Norwegian surname. Notable people with the surname include:
Børt-Erik Thoresen, Norwegian television host and folk singer Carl E. Thoresen (1933–2020), American psychologist Gunnar Thoresen (footballer) (1920–2017), Norwegian footballer Gunnar Thoresen (bobsledder) (1921–1972), Norwegian bobsledder Hallvar Thoresen, Norwegian footballer Jan Thoresen, Norwegian curler Magdalene Thoresen, Scandinavian writer Patrick Thoresen, Norwegian professional ice hockey left winger Petter Thoresen (orienteering), Norwegian orienteering competitor Petter Thoresen (ice hockey), Norwegian ice hockey manager and former player Simeon Thoresen, Norwegian cage fighter Synnøve Thoresen, Norwegian biathlete Tom Thoresen, Norwegian politician for the Labour Party
See also Thorson