| Long Lapukan | |
| Coordinates: | 4.2667°N 115.5333°W |
| Pushpin Map: | Borneo |
| Pushpin Label Position: | right |
| Subdivision Type: | Country |
| Subdivision Name: |  Malaysia |
| Subdivision Type1: | State |
| Subdivision Type2: | Administrative Division |
| Subdivision Name2: | Lawas |
| Elevation M: | 1504 |
Long Lapukan is a settlement in the Lawas division of Sarawak, Malaysia. It lies approximately 650.5km (404.2miles) east-north-east of the state capital Kuching.
Neighbouring settlements include: