| Acronym | Definition |
|---|
| NEPP➣National Environmental Policy Plan |
| NEPP➣NASA Electronic Parts and Packaging |
| NEPP➣National Early Psychosis Project |
| NEPP➣NASA EEE Parts and Packaging |
| NEPP➣National Environmental Protection Policy |
| NEPP➣New England Peaks for Prevention |
| NEPP➣Núcleo de Estudos e Pesquisa em Psicoterapia (Portuguese: Center for Studies and Research in Psychotherapy; Rio de Janeiro, Brazil) |