At the 1896 Summer Olympics, four swimming events were contested, all for men.
[1] They were planned and organized by the Sub-Committee for Nautical Sports.
[2] All events took place on 11 April in the Bay of Zea.
[1] These medals are retroactively assigned by the International Olympic Committee; at the time, winners were given a silver medal and subsequent places received no award.
A total of 13 swimmers from 4 nations competed at the Athens Games: