John Dempsey

John Dempsey may refer to:

Sports

 * John Dempsey (footballer, born 1946), Republic of Ireland international football (soccer) player
 * John Dempsey (footballer, born 1951), Tranmere Rovers player
 * John Dempsey (umpire) (born 1965), New Zealand cricket umpire

Politicians

 * John J. Dempsey (1879–1958), American politician, governor of New Mexico
 * John N. Dempsey (1915–1989), American politician, governor of Connecticut

Others

 * John Dempsey (lyricist), also playwright
 * John Dempsey (Medal of Honor) (1848–1884), American sailor and Medal of Honor recipient
 * John Church Dempsey (1802–1877), English portrait artist