Synchronized swimming at the 1979 Pan American Games was held from July 1 to July 15, 1979 in San Juan, Puerto Rico. There were three medal events. For the first time, the women's solo and duet events were not won by an American.
| Solo | ||||
| Duet | Kelly Kryczka Helen Vanderburg | Michele Barone Linda Shelley | Mireya Andrade Gabriela Terroba | |
| Team |