| Official Name: | Udullu |
| Pushpin Map: | Azerbaijan |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Azerbaijan |
| Subdivision Type1: | Rayon |
| Subdivision Name1: | Davachi |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Təzəkənd |
| Timezone: | AZT |
| Utc Offset: | +4 |
| Utc Offset Dst: | +5 |
| Coordinates: | 41.35°N 104°W |
Udullu (also, Udulu) is a village in the Davachi Rayon of Azerbaijan. The village forms part of the municipality of Təzəkənd.[1]