PACIS
| Acronym | Definition |
|---|---|
| PACIS | Pacific Asia Conference on Information Systems |
| PACIS | Pan-American Climate Information System (est. 1998) |
| PACIS | Piedmont Athletic Conference of Independent Schools (North Carolina) |
| PACIS | Passenger Address and Communication Interphone System (aviation) |
| PACIS | Patient Administration and Clinical Information System (database; UK) |