Campeonato Sul-Mato-Grossense Série B
| Organising body | FFMS |
|---|---|
| Founded | 1987 |
| Country | Brazil |
| State | Mato Grosso do Sul |
| Level on pyramid | 2 |
| Promotion to | Campeonato Sul-Mato-Grossense |
| Current champions | CE Naviraiense (3rd title) (2024) |
| Most championships | CE Naviraiense (3 titles each) |
| Website | FFMS Official website |
The Campeonato Sul-Mato-Grossense Série B is the second tier of the professional state football league in the Brazilian state of Mato Grosso do Sul. It is run by the Mato Grosso do Sul Football Federation (FFMS).