The 6th FINA World Junior Swimming Championships, was held in Indianapolis, United States.

[2] Budapest is scheduled to host the 2019 FINA World Junior Swimming Championships.

[3] The event was held at the Indiana University Natatorium, which is best known for hosting the 1987 Pan American Games.

[4][5] *   Host nation (United States)Relay medalists in italics participated in the heats only.

c Matthew Willenbring of USA originally finished third in men's 100m freestyle, but later was disqualified for doping.