• John Dempsey (footballer)
  John Dempsey (footballer)
  John Dempsey is a former footballer who played in the 1960s and 1970s as a defender.Starting his career with Fulham, making his debut in 1963 and 149 appearances over six years, Dempsey was signed for West London rivals Chelsea by Dave Sexton in January 1969 for £70,000...
  
   (born 1946), Irish retired footballer
• John Dempsey (lyricist)
  John Dempsey (lyricist)
  John Dempsey is a theatrical lyricist and playwright who has worked in Britain and the United States. Much of his work in musical theater has been written with composer Dana P. Rowe. With Rowe, he wrote the book and lyrics for Zombie Prom , The Fix , and the stage adaptation of John Updike's The...
  
  , also playwright
• John Dempsey (Medal of Honor recipient) (1848–?), American sailor and Medal of Honor recipient
• John N. Dempsey (1915–1989), American politician, governor of Connecticut
• John J. Dempsey
  John J. Dempsey
  John Joseph Dempsey was a United States Representative from New Mexico who also served as the 13th Governor of New Mexico. He was born in White Haven, Pennsylvania where he attended grade school. Employed as a telegrapher, he held various positions with the Brooklyn Union Elevator Company...
  
   (1879–1958), American politician, governor of New Mexico
• John Dempsey (cartoonist), American single-panel cartoonist
• John Dempsey (novelist) (fl. c. 1990s)

See also

• Jack Dempsey (disambiguation)
  Jack Dempsey (disambiguation)
  Jack Dempsey was a heavyweight boxing champion.Jack Dempsey may also refer to:* People:**Jack Dempsey Jack Dempsey (1895–1983) was a heavyweight boxing champion.Jack Dempsey may also refer to:* People:**Jack Dempsey (politician) Jack Dempsey (1895–1983) was a heavyweight boxing...
  
  
• John Dempsey Hoblitzell, American politician