Simonsen is a surname. Notable people with the surname include:

• Allan Simonsen (born 1952), Danish football player
• Allan Simonsen (racing driver) (1978–2013), Danish racing driver
• Bengt Simonsen (racewalker) (born 1958), Swedish racewalker
• Fanny Simonsen (c. 1835–1896), French-born soprano in Australia
• Iluska Pereira da Cunha Simonsen (1941–2017), Brazilian chess master
• Jan Simonsen (1953–2019), Norwegian politician
• John Ditlev-Simonsen (1898–1967), Norwegian sailor
• Karen Simonsen, Canadian judge
• Lasse Simonsen (born 1953), Norwegian law professor
• Mário Henrique Simonsen (1935–1997), Brazilian economist, professor, banker, and finance minister
• Martin Simonsen (c. 1829–1899), Danish-born violinist and impresario in Australia
• Mikael Simonsen (1882–1950), Danish rower
• Olaf Ditlev-Simonsen (1897–1978), Norwegian sailor
• Per Ditlev-Simonsen (born June 12, 1932), Norwegian politician
• Peter Simonsen (born 1959), New Zealand football player
• Redmond A. Simonsen (1942–2005), American graphic artist
• Renée Simonsen (born 1965), Danish model
• Rob Simonsen (born 1978), American composer
• Rudolph Simonsen (1889–1947), Danish composer
• Steve Simonsen (born 1979), English football goalkeeper
• Thorkild Simonsen (1926–2022), Danish politician
• Wallace Cochrane Simonsen (1884–1955), Brazilian banker

See also

• Simmonds
• Symonds
• Symons
• Simons
• Simonson
• Simonsson

Surname list

This page lists people with the surname Simonsen.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.