Lihim ng San Joaquin
- Blwyddyn: 2005
- Gwlad: Philippines
- Genre: Horror
- Stiwdio: Regal Entertainment Inc., Reality Entertainment, Ignite Media
- Allweddair:
- Cyfarwyddwr: Richard Somes
- Cast: Mark Anthony Fernandez, Tanya Garcia, Nonie Buencamino, Elizabeth Oropesa, Ronnie Lazaro, Jess Evardone