Thomas Olsen may refer to:
Thomas Olsen (soccer) (born 1995), American soccer player Thomas David Lukas Olsen (born 1975), German murderer Thomas Lehne Olsen (born 1991), Norwegian footballer Thomas Fredrik Olsen (1897–1969), Norwegian ship-owner Thomas R. Olsen (1934–2014), United States Air Force general Thomas Valkvæ Olsen (born 1993), Norwegian ice hockey player Tom Strømstad Olsen (born 1971), Norwegian politician Tommy Olsen (born 1973), Danish football manager and former player Tommy Olsen (orienteer), Norwegian ski-orienteering competitor Thomas Kjær Olsen (born 1997), Danish motocross rider