PEAI
| Acronym | Definition |
|---|---|
| PEAI | Physical Education Association of Ireland (est. 1968; Limerick, Ireland) |
| PEAI | Petition to Enroll at Another Institution (University of San Francisco; San Francisco, CA) |
| PEAI | Philip Ewald Architecture, Inc. (Houston, TX) |
| PEAI | Pressure Equipment Association, Inc. (Australia) |