At the Summer Olympics, there have been eight Olympic sports that have been discontinued.

For the 2016 Summer Olympics in Rio de Janeiro, long-discontinued sports in golf (last competed in 1904) and rugby (last competed in 1924) were reinstated as Olympic sports, though rugby was as rugby sevens (having previously been rugby union).

For the 2028 Summer Olympics in Los Angeles, long-discontinued sports in cricket (only appearance in 1900) and lacrosse (last competed in 1908) will be reinstated as Olympic sports, though lacrosse will be as six-a-side (having previously been field lacrosse).

One basque pelota, one croquet, one jeu de paume, six polo, one racquets, one roque, five tug of war, and one water motorsports venues have been used at the Summer Olympics.