| Prey Svay | |
| Native Name: | ឃុំព្រៃស្វាយ |
| Native Name Lang: | khm |
| Settlement Type: | Commune |
| Pushpin Map: | Cambodia |
| Pushpin Map Caption: | Location within Cambodia |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Battambang Province |
| Subdivision Type2: | District |
| Subdivision Name2: | Moung Ruessei District |
| Parts Type: | Villages |
| Parts Style: | para |
| P1: | 9 |
| Unit Pref: | Metric |
| Population As Of: | 1998 |
| Population Density Km2: | auto |
| Timezone1: | UTC+07 |
Prey Svay is a khum (commune) of Moung Ruessei District in Battambang Province in north-western Cambodia.[1]