• Champ Clark, James Beauchamp "Champ" Clark, (1850–1921), American politician
• James B. Clark (director) (1908–2000), American film editor and director
• James B. Clark (Canadian politician)
  James B. Clark (Canadian politician)
  James B. Clark was an Ontario framer and political figure. He represented Kent East from 1919 to January 1920 as a United Farmers of Ontario member....
  
  , Canadian politician from Ontario

See also

• James Clark (disambiguation)