| Orbieu | |
| Pushpin Map: | France#France Occitanie |
| Source1 Location: | Fourtou |
| Source1 Coordinates: | 42.9331°N 2.4347°W |
| Mouth Coordinates: | 43.2331°N 2.9°W |
| Subdivision Type1: | Country |
| Length: | 84.2km (52.3miles) |
| Source1 Elevation: | 700m (2,300feet) |
| Mouth Elevation: | 10m (30feet) |
| Discharge1 Avg: | 4.64m3/s |
| Basin Size: | 680km2 |
The Orbieu (in French pronounced as /ɔʁbjø/; Occitan (post 1500);: Orbiu) is an 84.2km (52.3miles) long river in the Aude département, in south central France. Its source is at Fourtou, in the Corbières Massif. It flows generally northeast. It is a right tributary of the Aude into which it flows between Raissac-d'Aude and Marcorignan, 10km (10miles) northwest of Narbonne.
This list is ordered from source to mouth: Fourtou, Auriac, Lanet, Montjoi, Vignevieille, Mayronnes, Saint-Martin-des-Puits, Saint-Pierre-des-Champs, Lagrasse, Ribaute, Camplong-d'Aude, Fabrezan, Ferrals-les-Corbières, Lézignan-Corbières, Luc-sur-Orbieu, Cruscades, Ornaisons, Névian, Villedaigne, Raissac-d'Aude, Marcorignan