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
[edit]- 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
[edit]- 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
[edit]- Bertelsen Glacier, Greenland
- Bertelsen's lanternfish