| Official Name: | Golyam Devesil |
| Native Name: | Голям Девесил |
| Settlement Type: | Village |
| Pushpin Map: | Bulgaria |
| Pushpin Label Position: | Location in Bulgaria |
| Subdivision Name: |  Bulgaria |
| Subdivision Type1: | Province |
| Subdivision Name1: | Kardzhali Province |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Krumovgrad |
| Population As Of: | 2021 |
| Population Total: | 77[1] |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Coordinates: | 41.3428°N 25.6477°W |
Golyam Devesil is a village in Krumovgrad Municipality, Kardzhali Province, southern Bulgaria.[2]