| 1933 South American Championships in Athletics | |
| Host City: | Montevideo, Uruguay |
| Dates: | 6–9 April |
| Previous: | Montevideo 1931 (U) |
| Next: | Santiago 1935 |
The 1933 South American Championships in Athletics were held in Montevideo, Uruguay, between 6 and 9 April.
| 100 metres | José de Almeida | 10.6 CR | Juan Maglio | 10.6 | José Vicente Salinas | 11.0 | |
| 200 metres | José Vicente Salinas | 21.7 CR | José de Almeida | Antonio Sande | |||
| 400 metres | José Vicente Salinas | 48.4 CR | Héctor Domínguez | 49.2 | Juan Anderson | 49.2 | |
| 800 metres | Juan Anderson | 1:57.8 | Hermenegildo Del Rosso | 1:58.6 | Carlos Gallardo | 1:59.6 | |
| 1500 metres | Belisario Alarcón | 4:02.6 | Hermenegildo Del Rosso | 4:05.2 | Juan Carballeira | 4:06.4 | |
| 3000 metres | Luis Oliva | 8:51.6 | Martínez | 9:12.2 | Eusebio Guiñez | ||
| 5000 metres | Roger Ceballos | 15:14.6 | Luis Oliva | 15:17.6 | Eusebio Guiñez | ||
| 10,000 metres | Eusebio Guiñez | 33:08.0 | Belisario Alarcón | 33:23.6 | Roger Ceballos | ||
| Road race | Manuel Plaza | 1:59:15 | José Ribas | 2:02:39 | Fernando Cicarelli | ||
| 110 metres hurdles | Sylvio Padilha | 14.8 CR | Miguel Aldatz | 14.8 | Juan Lavenás | ||
| 400 metres hurdles | Sylvio Padilha | 54.0 CR | Gerardo Lorenzo | 55.4 | Héctor Domínguez | 56.2 | |
| 4 × 100 metres relay | Jorge Bonino Arnaldo Borras Jaime Meregalli Laindevar | 44.0 | José de Almeida Lúcio de Castro Sylvio Padilha Medina | 45.5 | |||
| 4 × 400 metres relay | Francisco Dova Werner Kalz Juan Anderson Gerardo Lorenzo | 3:25.0 | Héctor Domínguez Jorge Sierra Ciro Vignoli San Román | 3:27.2 | |||
| 3000 metres team race | | | |||||
| Cross country | Manuel Plaza | 39:11.6 | Fernando Cicarelli | 39:16.4 | Belisario Alarcón | ||
| High jump | Alfonso Burgos | 1.85 | Luis Bosetti | 1.80 | Julio Bastón | 1.80 | |
| Pole vault | Diego Pajmaevich | 3.95 CR | Lúcio de Castro | 3.80 | Pedro Furné | 3.30 | |
| Long jump | Héctor Berra | 7.26 CR | Mario Cardoso | 6.47 | Ramón Quesada | 6.46 | |
| Triple jump | Tomás Diz | 13.80 | Pedro Aizcorbe | 13.75 | Julio Bastón | 13.66 | |
| Shot put | Rodolfo Butori | 14.15 CR | Héctor Benapres | 13.52 | Antônio Lyra | 13.49 | |
| Discus throw | Héctor Benapres | 43.88 | Pedro Elsa | 40.93 | Bento Barros | 40.15 | |
| Hammer throw | Federico Kleger | 53.51 CR | Antonio Barticevic | 45.53 | Juan Fusé | 45.00 | |
| Javelin throw | Efraín Santibáñez | 58.10 CR | Julio Diturbide | 56.58 | José Pergañeda | 56.10 | |
| Decathlon | Diego Pajmaevich | 5759.23 | Raimundo Guiñazu | 4724.58 |