| Towallum River | |
| Name Other: | Towallum Creek, Back Creek |
| Subdivision Type1: | Country |
| Subdivision Name1: | Australia |
| Subdivision Type2: | State |
| Subdivision Name2: | New South Wales |
| Subdivision Type3: | Region |
| Subdivision Name3: | New England Tablelands (IBRA), Northern Tablelands |
| Subdivision Type5: | Local government area |
| Subdivision Name5: | Clarence Valley |
| Length: | 23km (14miles) |
| Source1: | Great Dividing Range |
| Source1 Location: | near Moleton, northwest of Coramba |
| Source1 Elevation: | 480m (1,580feet) |
| Mouth: | confluence with Kangaroo River |
| Mouth Location: | below Koukandowie Mountain |
| River System: | Clarence River catchment |
| Custom Label: | National park |
Towallum River, a perennial river of the Clarence River catchment, is located in the Northern Tablelands region of New South Wales, Australia.
Towallum River rises on the slopes of the Great Dividing Range near Moleton, northwest of Coramba, and flows generally north and northwest before reaching its confluence with the Kangaroo River, below Koukandowie Mountain; over its course.