| Oban River | |
| Name Other: | Ann River |
| Subdivision Type1: | Country |
| Subdivision Name1: | Australia |
| Subdivision Type2: | State |
| Subdivision Name2: | New South Wales |
| Subdivision Type3: | IBRA |
| Subdivision Name3: | Ben Lomond, New England Tablelands |
| Subdivision Type4: | District |
| Subdivision Name4: | New England, Northern Tablelands |
| Subdivision Type5: | Municipality |
| Subdivision Name5: | Armidale |
| Length: | 47km (29miles) |
| Source1: | Mount Duncan, Great Dividing Range |
| Source1 Location: | Little Llangothlin Lake, north of Guyra |
| Source1 Elevation: | 1360m (4,460feet) |
| Mouth: | confluence with the Sara River |
| Mouth Location: | below Bare Hill, within Guy Fawkes River National Park |
| Mouth Elevation: | 818m (2,684feet) |
| River System: | Clarence River catchment |
| Custom Label: | National parks |
| Custom Data: | Guy Fawkes River NP, Chaelundi NP |
| Extra: | [1] |
Oban River, a watercourse that is part of the Clarence River catchment, is located in the New England and Northern Tablelands districts of New South Wales, Australia.
Oban River rises below Mount Duncan, Great Dividing Range on the slopes of the Great Dividing Range, within Little Llangothlin Lake, north of Guyra, and flows generally north-east towards its confluence with the Sara River, within Guy Fawkes River National Park and Chaelundi National Park. The river descends over its course.[1]