| Cachantún Cup | |
| Type: | defunct |
| Founded: | 2008 |
| Abolished: | 2008 |
| City: | Viña del Mar |
| Country: | Chile |
| Tier: | Tier III |
| Surface: | Red Clay / outdoors |
| Draw: | 32S/32Q/16D |
| Prize Money: | $200,000 |
The Cachantún Cup is a women's tennis tournament that was held at the Centro de Tenis Las Salinas, at the Club Naval de Campo Las Salinas in Viña del Mar, Chile. The tournament was competed once, in 2008, from February 11 to February 17.