| Rio Grande | |
| Map: | Rio Grande (Bahia).jpg |
| Map Size: | 250 |
| Source1 Location: | Bahia state |
| Mouth: | São Francisco River |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
Rio Grande (Portuguese for "great river") is a river of Bahia state in eastern Brazil. It is a tributary of the São Francisco River.