| Continent: | South America |
| Year: | 1947 |
| Host: | Brazil |
| Dates: | 31 May - 17 June |
| Teams: | 6 |
| Venues: | 1 |
| Cities: | 1 |
| Champions: | Uruguay |
| Title Number: | 4 |
| Prevseason: | 1945 |
| Nextseason: | 1949 |
The 1947 South American Basketball Championship was the 13th edition of this regional tournament. It was held in Rio de Janeiro, Brazil, and won by the Uruguay national basketball team. 6 teams competed.
Each team played the other five teams once, for a total of five games played by each team and 15 overall in the preliminary round. Ties in the standings were broken by head-to-head results, as only a tie for first would have resulted in a final match.
| 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 | 10 | 5 | 0 | 225 | 183 | +42 | |||||||||
| 2 | 8 | 3 | 2 | 200 | 181 | +19 | |||||||||
| 3 | 8 | 3 | 2 | 205 | 193 | +12 | |||||||||
| 4 | 7 | 2 | 3 | 193 | 234 | -41 | |||||||||
| 5 | 7 | 2 | 3 | 223 | 228 | -5 | |||||||||
| 6 | 5 | 0 | 5 | 196 | 223 | -27 |
| width=25% | width=25% | width=25% | |||
|---|---|---|---|---|---|
| Uruguay | 37 - 27 | Brazil | |||
| Uruguay | 45 - 44 | Chile | |||
| Uruguay | 46 - 33 | Ecuador | |||
| Uruguay | 51 - 48 | Argentina | |||
| Uruguay | 46 - 31 | Peru | |||
| Brazil | 44 - 33 | Chile | |||
| Brazil | 50 - 34 | Ecuador | |||
| Brazil | 37 - 38 | Argentina | |||
| Brazil | 42 - 39 | Peru | |||
| Chile | 52 - 31 | Ecuador | |||
| Chile | 42 - 41 | Argentina | |||
| Chile | 34 - 32 | Peru | |||
| Ecuador | 47 - 43 | Argentina | |||
| Ecuador | 48 - 43 | Peru | |||
| Argentina | 53 - 51 | Peru |