Bertelsen
Introduction '''Bertelsen'''  and '''Berthelsen''' are Danish-Norwegian patronymic surnames meaning "son of Bertel" or cognate "Berthel" (both equivalent of the Biblical Βαρθολομαίος/Bartholomaios, cf. English Bartholomew). There are several people with this surname:
Bertelsen *Aage Bertelsen (1873–1945), Danish artist*Albert Bertelsen (1921–2019), Danish artist*Jens Jørn Bertelsen (born 1952), Danish footballer*Jim Bertelsen (1950–2021), American football player*Karen Bertelsen, Canadian TV host*Ola Bertelsen (1864–1946),  Norwegian politician*Trond Erik Bertelsen (born 1984)  Norwegian footballer
Berthelsen *Berit Berthelsen (1944–2022), retired athlete from Norway*Bernhard Berthelsen (1897–1964), Norwegian politician for the Liberal Party*Hermann Berthelsen (born 1956), Greenlandic politician and mayor of Sisimiut*Jacob Berthelsen (born 1986), Danish professional football (soccer) player*Johann Berthelsen (1883–1972), prominent and prolific American Impressionist painter*Julie Berthelsen (born 1979), Danish (Greenlandic) singer and songwriter*Richard Berthelsen (born 1944), former interim executive director of the NFL Players Association*Roar Berthelsen (1934–1990), Norwegian long jumper
Other *Bertelsen Glacier, Greenland*Bertelsen's lanternfish
See also *Bertel