| Continent: | South America |
| Year: | 1939 |
| Host: | Brazil |
| Dates: | 14-30 April |
| Teams: | 5 |
| Venues: | 1 |
| Cities: | 1 |
| Champions: | Brazil |
| Title Number: | 1 |
| Prevseason: | 1938 |
| Nextseason: | 1940 |
The 1939 South American Basketball Championship was the 7th edition of this tournament. It was held in Rio de Janeiro, Brazil and won by the host, Brazil national basketball team. 5 teams competed.
Each team played the other four teams once, for a total of four games played by each team and 10 overall in the tournament.
| width=20 | Rank | width=220 | Team | width=20 | Pts | width=20 | W | width=20 | L | width=20 | PF | width=20 | PA | width=20 | Diff |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | 4 | 0 | 139 | 120 | +19 | |||||||||
| 2 | 7 | 3 | 1 | 151 | 122 | +29 | |||||||||
| 3 | 6 | 2 | 2 | 151 | 126 | +25 | |||||||||
| 4 | 5 | 1 | 3 | 129 | 132 | -3 | |||||||||
| 5 | 4 | 0 | 4 | 97 | 167 | -70 |
| width=25% | width=25% | width=25% | |||
|---|---|---|---|---|---|
| Brazil | 34 - 32 | Uruguay | |||
| Brazil | 31 - 30 | Argentina | |||
| Brazil | 32 - 25 | Peru | |||
| Brazil | 42 - 33 | Chile | |||
| Uruguay | 43 - 42 | Argentina | |||
| Uruguay | 34 - 29 | Peru | |||
| Uruguay | 42 - 17 | Chile | |||
| Argentina | 38 - 33 | Peru | |||
| Argentina | 41 - 19 | Chile | |||
| Peru | 42 - 28 | Chile |