Andreasen

Andreasen and the parallel form Andresen (Norwegian cognate Andreassen) are Danish-Norwegian patronymic surnames meaning "son of Andreas". It has a similar origin as the name Andersen. Notable people with the surname include:


 * Christian Andreasen (born 1988), Danish footballer
 * Dagmar Andreasen (1920–2006), Danish businesswoman and politician
 * Emil Andreasen (1895–1972), Danish boxer
 * Frank Andreasen (born 1975), Danish darts player
 * George Andreasen (1934-1989), American orthodontist
 * Heidi Andreasen (born 1985), Faroese paralympic swimming silver medalist
 * Jakob Andreasen (born 1976), Danish handball coach
 * Lawrence Andreasen (1945–1990), American athlete
 * Leon Andreasen (born 1983), Danish footballer
 * Marta Andreasen (born 1954), Argentina-born member of the European Parliament
 * Nancy Coover Andreasen (born 1938), American neuroscientist
 * Rannvá Andreasen (born 1980), Faroese association footballer
 * Søren Andreasen (born 1996), Danish footballer