| Phnom Tumpor | |
| Elevation M: | 1551 |
| Elevation Ref: | [1] |
| Map: | Cambodia |
| Label Position: | right |
| Location: | Pursat Province, Cambodia |
| Range: | Cardamom Mountains |
| Coordinates: | 12.3667°N 103.0667°W |
| Coordinates Ref: | [2] |
Phnom Tumpor (Central Khmer: ភ្នំទំព័រ; Tumpor Mountain) is a mountain in Pursat Province of western Cambodia. There is a village nearby named Tumpor that lies on the Stung Pouthisat River.[3] The mountain is part of the Cardamom Range and has an elevation of .[4]