| Acronym | Definition |
|---|
| ATTM➣At This Time |
| ATTM➣Awesome to the Max |
| ATTM➣Ammonium tetrathiomolybdate |
| ATTM➣Associazione Ticinese Truppe Motorizzate (Italian: Association of Ticinese Motorized Troops; Ticino, Switzerland) |
| ATTM➣AT&T Mobile |
| ATTM➣Arrival Time to Market (software) |
| ATTM➣Alt.toys.transformers.moderated (newsgroup) |
| ATTM➣American Telephone and Telegraph Microelectronics |