UAJ
| Acronym | Definition |
|---|---|
| UAJ | Universal Audio Jack |
| UAJ | Utah Association for Justice (American Association for Justice) |
| UAJ | Union Africaine de Judo (French: African Judo Union) |
| UAJ | Usugi Association of Japan |
| UAJ | Ural-Altaische Jahrbücher (German: Ural-Altaic Yearbooks; language journal) |
| UAJ | Union of Arab Jurists (Iraq) |
| UAJ | Unattended Jammer |