PAPAS
| Acronym | Definition |
|---|---|
| PAPAS | Pittsburgh Area Planted Aquarium Society (Pennsylvania) |
| PAPAS | Pan Asia Pacific Aviation Services Ltd. (est. 1998; Lantau, Hong Kong) |
| PAPAS | Partnership of Parents and Schools (Spain) |
| PAPAS | Pin and Pellet Assay System |
| PAPAS | Pennsylvania Association of Private Academic Schools, Inc. |