| 1937 South American Championships in Athletics | |
| Host City: | São Paulo, Brazil |
| Dates: | 27–30 May |
| Previous: | Santiago 1935 |
| Next: | Lima 1939 |
The 1937 South American Championships in Athletics were held in São Paulo, Brazil between 27 and 30 May.
| 100 metres | José de Assis | 10.6 =CR | José Ferraz | 10.8 | Roberto Cavanna | ||
| 200 metres | Carlos Hoffmeister | 21.6 CR | Aloisio Queiroz Telles | 21.7 | Roberto Cavanna | ||
| 400 metres | Antônio Damaso | 50.0 | Roberto González | 50.1 | Ciro de Andrade | 50.1 | |
| 800 metres | Inocencio Di Pino | 1:56.2 | Roberto Gregg | 1:56.4 | Floriano de Souza | ||
| 1500 metres | Néstor Gomes | 4:04.4 | Floriano de Souza | 4:08.6 | Luis Elorga | 4:10.6 | |
| 3000 metres | Ubaldo Ibarra | 8:53.6 | Carmelo Di Gaeta | 8:54.6 | Néstor Gomes | 8:54.6 | |
| 5000 metres | Roger Ceballos | 15:41.8 | Ubaldo Ibarra | 15:52.8 | Mário de Oliveira | 16:23.4 | |
| 10,000 metres | Mário de Oliveira | 33:02.6 | Ubaldo Ibarra | 33:56.8 | José dos Santos | ||
| Road race | Saturnino Cuello | 2:07:35 | José Farías | 2:11:21 | Genésio da Silva | 2:14:30 | |
| 110 metres hurdles | Juan Lavenás | 15.2 | Darcy Guimarães | 15.3 | Alfredo Mendes | ||
| 400 metres hurdles | Roberto González | 55.2 | Darcy Guimarães | 56.1 | Guillermo Sayán | ||
| 4 × 100 metres relay | Guillermo Martínez Bo Thomas Beswick Roberto Cavanna Juan Lavenás | 42.5 | José de Almeida Aloisio Queiroz Telles José Ferraz Guilherme Puschnik | 42.6 | Camino José Castro Mellet Carlos de la Guerra | ||
| 4 × 400 metres relay | Ciro de Andrade José Ferraz Aloisio Queiroz Telles Antonio Damaso | 3:20.6 CR | Rodolfo Butori Carlos Hoffmeister Roberto González Guillermo Martínez Bo | 3:20.8 | Carlos Baroffio Carlos Jauregui Saarby Rubén Bonifaccino | ||
| 3000 metres team race | | | | ||||
| Cross country | Raúl Ibarra | 57:45.2 | José Farías | 59:09.8 | Eugenio Andrade | 59:48.0 | |
| High jump | Julio Mera | 1.85 | José Castro | 1.85 | Alfredo Mendes | 1.85 | |
| Pole vault | Walter Rehder | 3.90 | Lúcio de Castro | 3.90 | Luís Taliberti | 3.80 | |
| Long jump | Márcio de Oliveira | 7.37 CR | João Rehder Netto | 7.31 | Gualberto Castilla | 6.94 | |
| Triple jump | João Rehder Netto | 14.59 | Néstor Tenorio | 14.56 | Carlos Pinto | 14.28 | |
| Shot put | Carmine Di Giorgio | 14.14 | Héctor Berra | 14.04 | Rodolfo Butori | 13.78 | |
| Discus throw | Antônio Giusfredi | 44.32 CR | Bento Barros | 42.10 | Argos Fiaccadori | 41.25 | |
| Hammer throw | Assis Naban | 51.39 | Federico Kleger | 48.85 | Juan Fusé | 48.38 | |
| Javelin throw | Luís Pagliari | 55.47 | João Vizzone | 53.62 | Juan Urbán | 52.40 | |
| Decathlon | João Rehder Netto | 6260 | Pedro Furné | 6139 | José de Souza Filho | 6015 |