| Alto Braço River | |
| Source1 Location: | Santa Catarina state |
| Mouth: | Do Braço River |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
The Alto Braço River is a river of Santa Catarina state in southeastern Brazil. Some sources show its lower reaches as the Do Braço River; some say it retains its name until joining the Tijucas River.