text: Given name Francis "Fritz" Barzilauskas (1920–1990), American National Football League player
  Fritz Bauer (1903–1968), German Jewish judge and prosecutor who initiated the Auschwitz trials and aided the capture of Adolf Eichmann
  Fritz Baumgarten (illustrator) (1883–1966), German artist, author, and children's author-illustrator
  Fritz Baumgarten (1886–1961), German footballer
  Fritz Bayerlein (1899–1970), German Nazi general during WWII
  Fritz Bing (1934–2023), South African cricketer, businessman and cricket administrator
  Fritz Bondroit (1912–1974), German canoeist
  Fritz Buntrock (1909–1948), German Nazi SS officer at Auschwitz concentration camp executed for war crimes
  Frederico Fritz d'Orey (1938–2020), Brazilian racing driver
  Fritz Dietrich (Nazi) (1898–1948), German Nazi SS officer executed for war crimes
  Siegfried "Fritz" Flesch (1872–1939), Austrian Olympic medalist sabre fencer
  Fritz Haber (1868–1934), German chemist and Nobel Prize winner
  Fritz Haeg (born 1969), American artist
  Fritz Hartjenstein (1905–1954), German Nazi SS concentration camp commandant
  Frederick Henderson (born 1958), American executive and former CEO of General Motors
  Fritz John (1910–1994), German mathematician
  Fritz Klein (1888–1945), German Nazi doctor hanged for war crimes
  Fritz Knöchlein (1911–1949), German Nazi SS commandant executed for war crimes
  Friedrich Fritz Kreisler (1875–1962), Austrian violinist and composer
  Friedrich Fritz Lang (1890–1976), Austrian-German filmmaker and screenwriter
  Andrzej Frycz Modrzewski, (1503–1572) was a Polish Renaissance scholar, humanist and theologian, called "the father of Polish democracy".