Frank Thorn or Thorne may refer to:
Frank Thorn (cricketer) (1912–1942), Australian cricketer. Frank Manly Thorn (1836–1907), American lawyer, journalist, and government official Frank Thorne (1930–2021), American comic book artist-writer Frank Thorne (bishop) (1892–1981), Anglican colonial bishop in Africa
See also Frankie Thorn (born 1964), American actress Francis Thorne (1922–2017), American composer of contemporary classical music