Thomassen

Thomassen is a patronymic family name of Scandinavian and Dutch origin. It literally means "son of Thomas", i.e., approximately corresponds to Thomson. Notable people with the name include:


 * Ann-Mari Thomassen (born 1964), Sámi politician
 * Bjørn Thomassen (born 1968), Danish anthropologist and social scientist
 * Carsten Thomassen (mathematician) (born 1948), Danish mathematician
 * Carsten Thomassen (journalist) (1969–2008), Norwegian journalist and war correspondent
 * Dag Ole Thomassen (born 1986), Norwegian football goalkeeper
 * Dan Thomassen (born 1981), Danish football defender
 * Einar Thomassen (born 1951), Norwegian Professor in Religious Studies
 * Gustav Thomassen (1862–1929), Norwegian actor and theatre director
 * Hedvig Mollestad Thomassen (born 1982), Norwegian jazz musician
 * Ivar Thomassen (1954–2016), Norwegian folk singer, songwriter, and jazz pianist
 * Jacques Thomassen (born 1945), Dutch organizational theorist
 * Joachim Thomassen (born 1988), Norwegian football defender
 * Jordy Thomassen (born 1993), Dutch football striker
 * Kay Thomassen (born 1987), Dutch football midfielder
 * Knut Thomassen (1921–2002), Norwegian actor and theatre director
 * Magne Thomassen (born 1941), Norwegian speed skater
 * Mariann Thomassen (born 1979), Norwegian musician from the rock band Surferosa
 * Martijn Thomassen (born 1990), Dutch football defender
 * Mikkjal Thomassen (born 1976), Danish field hockey player
 * Mogens Thomassen (1914–1987), Danish field hockey player
 * Petter Thomassen (1941–2003), Norwegian Conservative Party politician
 * Reidar Thomassen (born 1936), Norwegian writer
 * Thomas Thomassen (1878–1962), Norwegian actor and theatre director
 * Turid Thomassen (born 1965), Norwegian Red Party politician
 * Wim Thomassen (1909–2001), Dutch politician