The 1988 Summer Olympics, officially known as the Games of the XXIV Olympiad and commonly known as Seoul 1988, was an international multi-sport event held from 17 September to 2 October 1988 in Seoul, South Korea. 159 nations were represented at the games by a total of 8,391 athletes. 237 events were held and 27,221 volunteers helped to prepare the Olympics.

The modern Olympic Games or Olympics are the leading international sporting events featuring summer and winter sports competitions in which thousands of athletes from around the world participate in a variety of competitions. The Olympic Games are considered the world's foremost sports competition with more than 200 teams, representing sovereign states and territories participating; by default the Games generally substitute for any World Championships the year in which they take place. The Olympic Games are held every four years; since 1994, they have been alternated between the Summer and Winter Olympics every two years during the four-year period.