| 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 |