| Phnum Lieb | |
| Native Name: | ឃុំភ្នំលៀប |
| Native Name Lang: | khm |
| Settlement Type: | Commune |
| Pushpin Map Caption: | Location within Cambodia |
| Subdivision Type: | Country |
| Subdivision Name: |  Cambodia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Banteay Meanchey |
| Subdivision Type2: | District |
| Subdivision Name2: | Preah Netr Preah |
| Parts Type: | Villages |
| Parts Style: | para |
| P1: | 16 |
| Unit Pref: | Metric |
| Population As Of: | 1998 |
| Population Density Km2: | auto |
| Geocode: | 010403 |
| Timezone: | ICT |
| Utc Offset: | +7 |
Phnum Lieb is a khum (commune) of Preah Netr Preah District in Banteay Meanchey Province in north-western Cambodia.[1]
Phnum Lieb is composed of 16 villages: