| Acronym | Definition |
|---|
| NPSE | National Society of Professional Engineers |
| NPSE | National Primary School Examination (UK) |
| NPSE | Network Packet Search Engine |
| NPSE | Norpseudoephedrine |
| NPSE | Non-Profit Sub-entity |
| NPSE | Núcleo de Pesquisa Sociedade e Educação |
| NPSE | Net Positive Suction Energy (hydraulics) |
| NPSE | National Programme for Sex Education (UK) |
| NPSE | Nederlands Platform voor Stedelijke Ecologie |
| NPSE | Non-Powered Support Equipment |
| NPSE | National Project for Sex Education |
| NPSE | National Partnership for Social Enterprise, Inc. |
| NPSE | Northern Power Sharing Executive (UK) |
| NPSE | Nível Psico-Energético |
| NPSE | Network Services Procedure Error |
| NPSE | New Perspectives in Social Education |
| NPSE | Nonlinear Parabolized Stability Equation |
| NPSE | Non-Polynomial Schrödinger Equation |
| NPSE | Neurological/Psychiatric Side-Effect |
| NPSE | Novice, Practitioner, Scholar, Expert |
| NPSE | Nuovi Programmi della Scuola Elementare |
| NPSE | Northern Peru and Southern Ecuador |