| Competition: | Women's Junior South American Volleyball Championship |
| Continent: | South America |
| Gender: | women |
| Year: | 2012 |
| Host: |  Peru |
| Dates: | 18 – 22 October |
| Teams: | 8 |
| Venues: | 1 |
| Cities: | Lima |
| Champions: | BRA |
| Title Number: | 17 |
| Last: | 2010 Women's Junior South American Volleyball Championship |
| Next: | 2014 Women's Junior South American Volleyball Championship |
The 2012 Women's Junior South American Volleyball Championship was the 21st edition of the tournament, organised by South America's governing volleyball body, the Confederación Sudamericana de Voleibol (CSV). It was determined February 26, 2011 the Peru would be the host.[1] The top three teams qualified for the 2013 Junior World Championship.[2]
The following national teams participated in the tournament, teams were seeded according to how they finished in the previous edition of the tournament:
| width=25% | Pool A | width=25% | Pool B |
|---|---|---|---|
| (1st) (4th) (5th) | (Host & 2nd) (3rd) (6th) (7th) |
| width=40 | Rank | width=250 | Team |
|---|---|---|---|
| 4 | |||
| 5 | |||
| 6 | |||
| 7 | |||
| 8 |
| width=10px bgcolor=#ccffcc | Qualified for the 2013 Junior World Championship |