| Long Aar | |
| Coordinates: | 3.6667°N 115.2667°W |
| Pushpin Map: | Borneo |
| Pushpin Label Position: | right |
| Subdivision Type: | Country |
| Subdivision Name: |  Malaysia |
| Subdivision Type1: | State |
| Elevation M: | 1342 |
Long Aar (also known as Long Ar) is a settlement in the mountainous interior of Sarawak, Malaysia. It lies approximately 595.4km (370miles) east-north-east of the state capital Kuching.
Neighbouring settlements include: