| San Antonio | |
| Pushpin Map: | Colombia Valle del Cauca Department#Colombia |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 310 |
| Pushpin Map Caption: | Location in Valle del Cauca and Colombia |
| Subdivision Type: | Country |
| Subdivision Name: |  Colombia |
| Subdivision Type1: | Department |
| Subdivision Name1: | Valle del Cauca |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Buenaventura municipality |
| Unit Pref: | Imperial |
| Population As Of: | 2005 |
| Population Total: | 320 [1] |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Timezone: | Colombia Standard Time |
| Utc Offset: | -5 |
| Coordinates: | 3.2607°N -77.2593°W |
| Elevation M: | 70 |
San Antonio is a village in Buenaventura Municipality, Valle del Cauca Department in Colombia. It is surrounded by a very dense tropical rainforest.
San Antonio has an extremely wet tropical rainforest climate (Af). It is one of the wettest places in the department of Valle del Cauca and one of the wettest in Colombia and in the world.