| Event: | Tennis |
| Games: | 2018 South American Games |
| Venue: | Centro de Alto Rendimiento Federico Román |
| Location: |  Villa Tunari |
| Surface: | COURTSOL PRO System |
| Dates: | 28 May – 2 June |
| Prev: | 2014 |
| Next: | 2022 |
| Multi: | yes |
| Quadrennial: | yes |
There were five tennis events at the 2018 South American Games. The events were held from 28 May to 2 June.[1]
| Men's events | ||||
| Men's singles | ||||
| Men's doubles | ||||
| Women's events | ||||
| Women's singles | ||||
| Women's doubles | ||||
| Mixed events | ||||
| Mixed doubles | ||||