William Dalrymple (historian)

Mortensen or Mortenson (in US) is a surname of Danish and Norwegian origin, meaning son of Morten. The Swedish variant is Mårtensson. Mortensen is currently the 20th most common surname in Denmark.^[1]

It may refer to the following people:

• Alex Mortensen (born 1985), American football coach
• Arne Mortensen (1900–1942), Norwegian rower
• Beverly Mortensen (born 1939), American musician and composer
• Carlos Mortensen (born 1972), Ecuadorian professional poker player
• Chris Mortensen (1951–2024), American journalist, father of Alex Mortensen
• Christian Mortensen (1882–1998), Danish-American supercentenarian
• Clayton Mortensen (born 1985), American baseball player
• Dale L. Mortensen (1966–2020), American politician
• Dale T. Mortensen (1939–2014), American economist
• Dan Mortensen (born 1968), American rodeo rider
• Daniel Mortensen (born 1994), Danish basketballer
• Erling Mortensen (born 1955), Danish chess master
• Finn Mortensen (1922–1983), Norwegian classical composer
• Flemming Møller Mortensen (born 1963), Danish politician
• Greg Mortenson, American humanitarian
• Hans Christian Cornelius Mortensen (1856–1921), Danish teacher and ornithologist
• Jess Mortensen (1907–1962), American NCAA champion track athlete and coach
• Lars Ulrik Mortensen (born 1955), Danish harpsichordist and conductor
• Malene Mortensen (born 1982), Danish singer
• Norma Jean Mortenson, birth name of Marilyn Monroe (1926–1962), American actress
• Ole Mortensen (born 1958), Danish cricketer
• Ole Theodor Jensen Mortensen (1868–1952), Danish professor of zoology
• Stan Mortensen (1921–1991), English professional footballer
• Sara Mortensen (born 1979), French actress
• Sarah Mortensen (born 1997), Danish basketballer, sister of Daniel Mortensen
• Svend Aage Mortensen (1942–2015), Danish cardiologist
• Viggo Mortensen (born 1958), Danish-American actor, poet, musician, photographer and painter
• William Mortensen (1897–1965), American photographer, known for 1920s–1940s Hollywood portraits in the Pictorialist style
• Zachary Mortensen (born 1972), American film producer and writer