• People:
  • Jack Dempsey (politician)
    Jack Dempsey (politician)
    John Mark Dempsey is an Australian politician. He represents the division of Bundaberg in the Queensland Legislative Assembly, and was first elected at the 2006 State election, originally for the National Party...
    
     (fl. c. 2000), Australian
  • Jack Dempsey (wrestler)
    Jack Dempsey (wrestler)
    Thomas Moore was a British professional wrestler, best known by his ring name Jack Dempsey, who was active in North American and European regional promotions from the 1930s to the 1960s....
    
     (1920–2007), British wrestler
  • Jack (Nonpareil) Dempsey
    Jack (Nonpareil) Dempsey
    John Edward Kelly was an Irish-born champion boxer. At height, he was better known as Jack "Nonpareil" Dempsey, called "Nonpareil" because no one could defeat him. In 65 contests, he lost only 3 times. This ended when Bob Fitzsimmons pummelled him around the ring and begged him to concede before...
    
     (1862–1896), Irish-born middleweight boxing champion
  • Jack Frost (musician)
    Jack Frost (musician)
    Jack Frost is the guitarist/founder of the heavy metal band Seven Witches and also a part of The Bronx Casket Company. Frost is also known for playing guitar on Savatage's tour in support of Poets and Madmen in 2001 and 2002 before being dismissed from the band for unspecified reasons...
    
    , American guitarist was born as Jack Dempsey.

• Jack Dempsey (fish)
  Jack Dempsey (fish)
  The Jack Dempsey is a cichlid fish that is widely distributed across North and Central America...
  
  

See also

• Jack Dempsey's Broadway Restaurant
  Jack Dempsey's Broadway Restaurant
  Jack Dempsey's Broadway Restaurant, known popularly as Jack Dempsey's, was a restaurant located on Broadway between 49th and 50th streets in Manhattan, New York. Owned by world Heavyweight boxing champion, Jack Dempsey, it was considered by many as an American institution...
  
  , New York City restaurant
• John Dempsey (disambiguation)