| Acronym | Definition |
|---|
| PPEI➣Promotion, Prevention and Early Intervention (Australia) |
| PPEI➣Pusat Pelatihan Ekspor Indonesia (Indonesian: Indonesian Export Training Center) |
| PPEI➣Power Process Equipment, Inc. (Chanhassen, MN) |
| PPEI➣Philadelphia Preschool Early Intervention (Pennsylvania) |
| PPEI➣Proximal Plaque Extension Index (dentistry) |
| PPEI➣Physics and Power Engineering Institute |