| Country: | ESP |
| Type: | Autovia |
| Route: | RM-3 |
| Alternate Name: | Autovía Totana-Mazarrón |
| Maint: | Government of the Region of Murcia |
| Length Km: | 26 |
| Length Round: | 1 |
| Terminus A: | Totana |
| Terminus B: | Mazarrón |
The RM-3 is a freeway in Murcia, Spain. It connects the Guadalentín Valley with Mazarrón. It was inaugurated in 2007, and belongs to the Murcian Government.[1]