| Country: | DJI |
| Type: | N |
| Route: | 9 |
| Length Km: | 123 |
| Established: | 1988 |
| Terminus A: | Junction with National Highway 1 |
| Terminus B: | Tadjoura |
| Cities: | Koussour, Sagallo, Ambabbo |
RN-9 National Highway is a national highway in the center of Djibouti. At 123 km long, it is the second longest highway in Djibouti, after the National Highway 1.[1]