| Gender: | women |
| Continent: | South America |
| Year: | 1970 |
| Host: | Ecuador |
| Dates: | September 22 – October 3 |
| Teams: | 8 |
| Venues: | 1 |
| Cities: | 1 |
| Champions: | Brazil |
| Title Number: | 6 |
| Prevseason: | 1967 |
| Nextseason: | 1972 |
The 1970 South American Basketball Championship for Women was the 13th iteration of the tournament, which was hosted in Guayaquil, Ecuador. The winners were Brazil, who won their sixth title to date and fourth consecutive title.[1]
The tournament was held in a single round robin format among the eight competing teams. Brazil won all seven of their games.[2] The change in teams from the previous tournament was the return of the Colombian team after missing the previous tournament, as well as the Venezuelan team.[3]