Gymnastics events were competed at the 1986 South American Games in Santiago, Chile.[1]
| Team all-around | Diego López Walter Chaio Andrés Jaichenko Gustavo Zito Martin González Gabriel Bayeto | Anki Morosimato Richard Peña | Guido Abarca | |
| | ||||
| Floor exercise | ||||
| Pommel horse | ||||
| Rings | ||||
| Vault | ||||
| Parallel bars | ||||
| Horizontal bar |
| Team all-around | Gabriela Lobato Mariana Alvariño Cecilia Ibarrondo Marina Magas Mariana Falcioni Jessica Altube | Ruby Smith Carola Robles | Paola Peñaranda | |
| | ||||
| Vault | ||||
| Uneven bars | ||||
| Balance beam | ||||
| Floor exercise |