| YAT | Attawapiskat, Ontario, Canada
| Others |
| YAT | Yamamoto Anshin Travel
| Others |
| YAT | Yet Another Todolist
| Others |
| YAT | Yorozu Automotive Tennessee
| Others |
| YAT | You're A Tool
| Others |
| YAT | Young A** Teen
| Others |
| YAT | Young Actors Theatre
| Others |
| YAT | Young Advisors Team
| Others |
| YAT | Young Agents in Training
| Others |
| YAT | Young American Trash
| Others |
| YAT | Your Adventure Travel
| Others |
| YAT | Youth Access Team
| Others |
| YAT | Youth Accountability Team
| Others |
| YAT | Youth Action Teams
| Others |
| YAT | Youth Against Tobacco
| Others |
| YAT | Youth Association Teams
| Others |
| YAT | Yurts And Things
| Others |