| Country: | CRI |
| Type: | Tertiary |
| Route: | 803 |
| Map Custom: | yes --> |
| Direction A: | NORTH/SOUTH/EAST/WEST? |
| Direction B: | NORTH/SOUTH/EAST/WEST? |
| Terminus B: | --> |
| Provinces: | Limón |
| Length Km: | 10.070 |
| Length Round: | 2 |
| Previous Type: | RNT |
| Previous Route: | 802 |
| Next Type: | RNT |
| Next Route: | 804 |
National Tertiary Route 803, or just Route 803 (Spanish; Castilian: Ruta Nacional Terciaria 803, or Spanish; Castilian: Ruta 803) is a National Road Route of Costa Rica, located in the Limón province.[1]
In Limón province the route covers Matina canton (Carrandi district).