| Official Name: | Üçajy |
| Pushpin Map: | Turkmenistan |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Turkmenistan |
| Subdivision Type1: | Province |
| Subdivision Name1: | Mary |
| Timezone: | TMT |
| Utc Offset: | +5 |
| Utc Offset Dst: | +5 |
| Coordinates: | 38.0917°N 62.7994°W |
| Elevation M: | 198 |
Üçajy (also known as Utsch-Adshi or Uch-Adzhi)[1] is a town in Mary, Turkmenistan.