| Acronym | Definition |
|---|
| SPPN➣Special Purpose Processing Node |
| SPPN➣Scottish Post Polio Network (est. 2001; UK) |
| SPPN➣Sistem Perencanaan Pembangunan Nasional (Indonesian: National Development Planning System) |
| SPPN➣Stichting Perl Promotie Nederland (Dutch: Foundation for the Promotion of Perl in the Netherlands; programming language) |
| SPPN➣Society of Private and Pioneer Numismatics (coin collecting) |