| 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 |