Knudtzon is a surname. Notable people with the surname include: Annelise Knudtzon (1914–2006), Norwegian textile artist Birger Knudtzon (born 1936), retired Norwegian rower Broder Knudtzon (1788–1864), Norwegian merchant, politician and benefactor Erling Knudtzon (born 1988), Norwegian football midfielder Hans Carl Knudtzon (1751–1823), Norwegian merchant, ship-owner and politician Jørgen Alexander Knudtzon (1854–1917), Norwegian linguist and historian Jørgen von Cappelen Knudtzon (1784–1854), Norwegian businessman and patron of the arts Leif Knudtzon (1895–1925), Norwegian modern pentathlete Nic Knudtzon (1922–2013), Norwegian telecommunications engineer
See also Knutzon