The following sports or disciplines have been demonstrated at the Summer Olympic Games for the years shown, but have never been included on the official Olympic program:
* American football (1904 and 1932)
* Australian rules football (1956)
* Ballooning (1900)
* Bowling (1988)
* Boules (1900)
* Budo (1964)
* Finnish baseball (1952)
* Glima (1912)
* Gliding (1936)
* Kaatsen (1928)
* Korfball (1920 and 1928)
* La canne (1924)
* Surf lifesaving (1900)
* Longue paume (1900)
* Motorsport (1900)
* Roller hockey (1992)
* Savate (1924)
* Swedish (Ling) gymnastics (1948)
* Weight training with dumbbells (1904)
* Water skiing (1972)
Gliding was promoted from demonstration sport to an official Olympic sport in 1936 in time for the 1940 Summer Olympics, but the Games were cancelled due to the outbreak of World War II.[
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