| Ou Sampoar | |
| Native Name: | ឃុំអូរសំព័រ |
| Native Name Lang: | khm |
| Settlement Type: | Commune |
| Pushpin Map: | Cambodia |
| Pushpin Map Caption: | Location within Cambodia |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Banteay Meanchey |
| Subdivision Type2: | District |
| Subdivision Name2: | Malai District |
| Parts Type: | Villages |
| Parts Style: | para |
| P1: | 4 |
| Unit Pref: | Metric |
| Population As Of: | 1998 |
| Population Density Km2: | auto |
| Geocode: | 010903 |
| Timezone1: | UTC+07 |
Ou Sampoar is a khum (commune) of Malai District in Banteay Meanchey Province in north-western Cambodia.[1]