50%RatingSave Gender Masculine Usage Old Norse [1] Meaning & HistoryExpand Links Old Norse form of Fritjof. Related NamesFamily Tree·Details Rootsfriðr + þjófrOther Languages & CulturesFridtjof, Fritjof(Norwegian) Fritiof, Fritjof(Swedish) Categories peace Sources & References Viking Answer Lady Webpage, available from https://www.vikinganswerlady.com/ONNames.shtml.