| Ajau Nanga | |
| Coordinates: | 1.4833°N 111.5667°W |
| Pushpin Map: | Borneo |
| Pushpin Label Position: | right |
| Subdivision Type: | Country |
| Subdivision Name: |  Malaysia |
| Subdivision Type1: | State |
| Elevation M: | 96 |
Ajau Nanga is a settlement in Sarawak, Malaysia. It lies approximately 137.7km (85.6miles) east of the state capital Kuching (181 km by road).
The primary school is called SK Nanga Ajau.
Neighbouring settlements include: