This is the complete list of Pan American Games medalists in swimming for men's, women's, and mixed relay events.
Swimming has been a part of the Pan American Games since the Games' first edition in 1951.
* The 1951 event was not a 4 × 100 m but a 3×100m medley relay * The 1951 event was not a 4×100 m but a 3×100 m medley relay