ISPN
| Acronym | Definition |
|---|---|
| ISPN | Instituto Sociedade, População e Natureza (Portuguese: Societal Institute of Population and Nature; Brazil) |
| ISPN | International Society of Psychiatric-Mental Health Nurses |
| ISPN | Integrated Services Packet Network |
| ISPN | Industry Solutions Partner Network (Cisco) |
| ISPN | International Solution Provider Network |
| ISPN | International Society for Pediatric Neurosugery |
| ISPN | Information Salad Podcast Network |
| ISPN | Instructeur Sol du Personnel Navigant |