ATIM
| Acronym | Definition |
|---|---|
| ATIM | Announcement Traffic Indication Message (IEEE 802.11) |
| ATIM | Aircraft Time Keeper |
| ATIM | Automatic Ticket Issuing Machine (Metro Systems) |
| ATIM | A Tia I Mua (trade union; Tahiti, Polynesia) |
| ATIM | Association of Title Information Management |