Jessen /ˈjɛsən/ is a Danish patronymic surname, literally meaning son of Jes, which is a short form of Jens (equivalent of biblical Ioanne (English: John)) from Schleswig.
Persons called Jessen:
Børge Jessen (1907–1993), Danish mathematician
Carl Wilhelm Jessen (1764–1823), Danish Naval Officer
Christian Jessen (born 1977), British television presenter
Gianna Jessen (born 1977), American recording artist and pro-life activist
Ida Jessen (born 1964), Danish author
Karl Jessen (1852–1918), Russian admiral during the Russo-Japanese War
Knud Jessen (1884–1971), Danish botanist and geologist
His son, also Peter Willers Jessen (1824–1912), Danish psychiatrist
Ulla Jessen (born 1946), Danish actress
