Fritiof

Friðþjófur (variations: Fritiof, Frithiof, Fritjof, Frithjof, and Fridtjof) is a Scandinavian masculine given name derived from Old Norse friðr (“peace”) + þjófr (“thief”). Maybe a kenning (a metaphorical phrase used in Old Norse poetry) for a fighter. Bearers of the name include:

Iceland

 * The hero of Frithiof's Saga, an Icelandic saga finalized around 1300

Norway

 * Frithjof M. Plahte (1836–1899), Norwegian merchant and landowner
 * Frithjof Prydz (1841–1935), Norwegian judge
 * Carl Frithjof Smith (1859–1917), Norwegian-German painter
 * Fridtjof Nansen (1861–1930), Norwegian explorer
 * Fridtjof Nansen (disambiguation), things named in his honor
 * Fritjof Heyerdahl (1879–1970), Norwegian engineer and industrial leader
 * Frithjof Olsen (1882–1922), Norwegian gymnast
 * Fridtjof Backer-Grøndahl (1885–1959), Norwegian pianist and composer
 * Frithjof Olstad (1890–1956), Norwegian rower
 * Frithjof Sælen (gymnast) (1892–1975), Norwegian gymnast
 * Frithjof Andersen (1893–1975), Norwegian wrestler
 * Fridtjof Knutsen (1894–1961), Norwegian journalist and crime novelist
 * Fridtjof Paulsen (1895–1988), Norwegian speed skater
 * Frithjof Lorentzen (1896–1965), Norwegian fencer
 * Fridtjof Mjøen (1897–1967), Norwegian actor
 * Carl Fridtjof Rode (1897–1984), Norwegian judge
 * Frithjof Ulleberg (1911–1993), Norwegian footballer
 * Frithjof Jacobsen (1914–1999), Norwegian diplomat
 * Frithjof Tidemand-Johannessen (1916–1958), Norwegian designer and writer
 * Frithjof Clausen (1916–1998), Norwegian wrestler
 * Frithjof Sælen (writer) (1917–2004), Norwegian writer
 * Fridtjof Frank Gundersen (born 1934), Norwegian jurist
 * Leif Fritjof Måsvær (born 1941), Norwegian politician
 * Frithjof Prydz (athlete) (1943–1992), Norwegian ski jumper and tennis player
 * Fridtjof Røinås (born 1994), Norwegian racing cyclist
 * Fridtjof Støre, singer for Norwegian band Albino Superstars (formed in 2004)

Sweden

 * Frithiof Holmgren (1831–1897), Swedish physician and physiologist
 * Frithiof Mårtensson (1884–1956), Swedish wrestler
 * Fritiof Domö (1889–1961), Swedish landlord and politician
 * Fritiof Karlsson (1892–1984), Swedish politician
 * Fritiof Nilsson Piraten (1895–1972), Swedish author
 * Fritiof Svensson (1896–1961), Swedish wrestler
 * Elof Fritjof Hillén (1893–1977), Swedish soccer player
 * Frithiof Rudén, Swedish footballer
 * Fritiof Billquist (1901–1972), Swedish film actor
 * Tage Fritjof Erlander (1901-1985), Prime Minister of Sweden from 1946 to 1969
 * Fritjof Lager (1905–1973), Swedish politician
 * Fritiof S. Sjöstrand (1912–2011), Swedish physician and histologist
 * Fritiof Enbom (1918–1974), Swedish railway worker
 * Fritiof Andersson, title character of "Fritiof och Carmencita", a 1937 Swedish song written by Evert Taube
 * Fritiof Björkén (born 1991), Swedish footballer

Denmark

 * Fritiof Andersen (1898–1954), Danish track and field athlete

Finland

 * Frithiof Nevanlinna (1894–1977), Finnish mathematician

Germany

 * SMS Frithjof (laid down 1890), German coastal defense ship
 * Frithjof Henckel (born 1950), German rower
 * Frithjof Schmidt (born 1953), German politician for the Greens
 * Frithjof Kleen (born 1983), German sailor
 * Frithjof Seidel (born 1997), German diver

Switzerland

 * Frithjof Schuon (1907–1998), Swiss metaphysician

United States
 Norwegian descent 
 * Karl Fritjof Rolvaag (1913–1990), American politician

 Swedish descent 
 * Fritiof Fryxell (1900–1986), American geologist and mountain climber

 Austrian descent 
 * Frithjof Bergmann (1930–2021), German-American philosopher
 * Fritjof Capra (born 1939), American physicist, ecologist, and systems theorist

Antarctica

 * Fridtjof Island, lying in the Palmer Archipelago