| 3rd South American Basketball Championship | |
|---|---|
| Tournament details | |
| Host country | Argentina |
| Dates | 13-21 April |
| Teams | 4 |
| Venue(s) | 1 (in 1 host city) |
| Final positions | |
| Champions |  Argentina (1st title) |
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.
| Rank | Team | Pts | W | L | PF | PA | Diff |
|---|---|---|---|---|---|---|---|
| 1 | Argentina | 12 | 6 | 0 | 153 | 104 | +49 |
| 2 |  Chile | 9 | 3 | 3 | 136 | 157 | -21 |
| 3 |  Brazil | 7 | 1 | 5 | 120 | 149 | -29 |
| 4 |  Uruguay | 5 | 2 | 4 | 72 | 71 | +1 |
| 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 |