Fritiof
Friðþjófur is a Scandinavian masculine given name derived from,. Bearers of the name include:
Iceland
- The hero of Frithiof's Saga, an Icelandic saga finalized around 1300
Norway
- Frithjof M. Plahte, Norwegian merchant and landowner
- Frithjof Prydz, Norwegian judge
- Carl Frithjof Smith, Norwegian-German painter
- Fridtjof Nansen, Norwegian explorer
- *Fridtjof Nansen (disambiguation), things named in his honor
- Fritjof Heyerdahl, Norwegian engineer and industrial leader
- Frithjof Olsen, Norwegian gymnast
- Fridtjof Backer-Grøndahl, Norwegian pianist and composer
- Frithjof Olstad, Norwegian rower
- Frithjof Sælen (gymnast), Norwegian gymnast
- Frithjof Andersen, Norwegian wrestler
- Fridtjof Knutsen, Norwegian journalist and crime novelist
- Fridtjof Paulsen, Norwegian speed skater
- Frithjof Lorentzen, Norwegian fencer
- Fridtjof Mjøen, Norwegian actor
- Carl Fridtjof Rode, Norwegian judge
- Frithjof Ulleberg, Norwegian footballer
- Frithjof Jacobsen, Norwegian diplomat
- Frithjof Tidemand-Johannessen, Norwegian designer and writer
- Frithjof Clausen, Norwegian wrestler
- Frithjof Sælen (writer), Norwegian writer
- Fridtjof Frank Gundersen, Norwegian jurist
- Leif Fritjof Måsvær, Norwegian politician
- Frithjof Prydz (athlete), Norwegian ski jumper and tennis player
- Fridtjof Røinås, Norwegian racing cyclist
- Fridtjof Støre, singer for Norwegian band Albino Superstars
Sweden
- Frithiof Holmgren, Swedish physician and physiologist
- Frithiof Mårtensson, Swedish wrestler
- Fritiof Domö, Swedish landlord and politician
- Fritiof Karlsson, Swedish politician
- Fritiof Nilsson Piraten, Swedish author
- Fritiof Svensson, Swedish wrestler
- Elof Fritjof Hillén, Swedish soccer player
- Frithiof Rudén, Swedish footballer
- Fritiof Billquist, Swedish film actor
- Tage Fritjof Erlander, Prime Minister of Sweden from 1946 to 1969
- Fritjof Lager, Swedish politician
- Fritiof S. Sjöstrand, Swedish physician and histologist
- Fritiof Enbom, Swedish railway worker
- Fritiof Andersson, title character of "Fritiof och Carmencita", a 1937 Swedish song written by Evert Taube
- Fritiof Björkén, Swedish footballer
Denmark
Finland
- Frithiof Nevanlinna, Finnish mathematician
Germany
- SMS Frithjof, German coastal defense ship
- Frithjof Henckel, German rower
- Frithjof Schmidt, German politician for the Greens
- Frithjof Kleen, German sailor
- Frithjof Seidel, German diver
Switzerland
- Frithjof Schuon, Swiss metaphysician
United States
Norwegian descentSwedish descent
- Fritiof Fryxell, American geologist and mountain climber
- Frithjof Bergmann, German-American philosopher
- Fritjof Capra, American physicist, ecologist, and systems theorist