| Bajo Baudó | |
| Settlement Type: | Municipality and town |
| Mapsize: | 250px |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Colombia |
| Subdivision Type: | Country |
| Subdivision Name: |  Colombia |
| Subdivision Type1: | Department |
| Subdivision Name1: | Chocó Department |
| Established Title: | Founded |
| Established Date: | 1821 |
| Area Total Km2: | 4840 |
| Population As Of: | Census 2018[1] |
| Population Total: | 18561 |
| Population Density Km2: | auto |
| Population Demonym: | Bajobaudoseño |
| Coordinates: | 4.95°N -99°W |
| Timezone: | Colombia Standard Time |
| Utc Offset: | -5 |
| Elevation M: | 12 |
| Area Code: | 57-4 |
| Website: | Official website |
Bajo Baudó (pronounced as /es/) is a municipality and town in the Chocó Department, Colombia. It was founded in 1821 and converted into a municipality in 1825. Most of the town's population of 16,375 live in rural areas.
Bajo Baudó has a very wet tropical rainforest climate (Af) with very heavy to extremely heavy rainfall year-round.