| Long Napir | |
| Coordinates: | 4.1667°N 115.1333°W |
| Pushpin Map: | Borneo |
| Pushpin Label Position: | right |
| Subdivision Type: | Country |
| Subdivision Name: |  Malaysia |
| Subdivision Type1: | State |
| Subdivision Type2: | Administrative Division |
| Subdivision Name2: | Limbang |
| Elevation M: | 201 |
Long Napir is a cluster of four settlements of Penan and Kelabit people in the Limbang division of Sarawak, Malaysia. It lies approximately 606km (377miles) east-north-east of the state capital Kuching.
Long Napir is located at the confluence of two rivers, Sungai Medihit and Sungai Limbang, about 90 miles from Limbang. The nearest town is Nanga Medamit; this can be reached in about four hours by 4WD vehicle on logging tracks, but the journey by river takes a day.
The Resident Office of Limbang has a "URA Hostel" in the Long Napir for the administrative officer who acts as "Up River Agent". There is a primary school, clinic and public telephones; all electricity is from local generators.
The population in 2007 was 241 families, consisting of:
A proposed hydroelectric dam project in the upper Limbang river would submerge the village and surrounding district.
Neighbouring settlements include: