• Cricket, Croquet, and Pelota - Introduced in 1900, they featured only this edition of the Games.
  • Polo - It was introduced in 1900 and dropped after the 1936 Olympics. In 1996, the International Olympic Committee voted to classify it as a recognised sport, and it was accepted as a demonstration sport in the 2018 Summer Youth Olympics.
  • Jeu de Paume and Motor boating - Introduced and played only in 1908, after which they were dropped.
  • Roque and Tug-of-war - Introduced in 1904 and dropped after.
  • Lacrosse - It was introduced in 1904 and was dropped after the 1908 Olympics.
  • Motor boating - Introduced in 1908 and dropped after.