| Continent: | South America |
| Year: | 1934 |
| Host: | Argentina |
| Dates: | 13-21 April |
| Teams: | 4 |
| Venues: | 1 |
| Cities: | 1 |
| Champions: | Argentina |
| Title Number: | 1 |
| Prevseason: | 1932 |
| Nextseason: | 1935 |
The 1934 South American Basketball Championship was the 3rd edition of this regional tournament. It was held in Buenos Aires, Argentina and won by the host Argentina national basketball team. 4 teams competed.
Each team played the other three teams twice apiece, for a total of six games played by each team. The top two teams after this round played each other one more time in the final.
| 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 | 12 | 6 | 0 | 153 | 104 | +49 | |||||||||
| 2 | 9 | 3 | 3 | 136 | 157 | -21 | |||||||||
| 3 | 7 | 1 | 5 | 120 | 149 | -29 | |||||||||
| 4 | 5 | 2 | 4 | 72 | 71 | +1 |
| width=25% | width=25% | width=25% | |||
|---|---|---|---|---|---|
| Argentina | 26 - 25 | Brazil | |||
| Brazil | 25 - 29 | Argentina | |||
| Argentina | 43 - 26 | Chile | |||
| Chile | 20 - 35 | Argentina | |||
| Argentina | 18 - 8 | Uruguay | |||
| Uruguay | 0 - 2 (w/o) | Argentina | |||
| Brazil | 29 - 32 | Chile | |||
| Chile | 31 - 17 | Brazil | |||
| Uruguay | 0 - 2 (w/o) | Chile | |||
| Chile | 25 - 33 | Uruguay | |||
| Uruguay | 0 - 2 (w/o) | Brazil | |||
| Brazil | 22 - 31 | Uruguay |