| Acronym | Definition |
|---|
| SMPN➣Sekolah Menengah Pertama Negeri (Indonesia) |
| SMPN➣Sci-Mentor Performance Nutrition (dietary supplements) |
| SMPN➣Stichting Muziek Promotie Nijkerk (Dutch: Music Promotion Foundation Nijkerk; Nijkerk, Netherlands) |
| SMPN➣Surface-Modified Polymeric Nanogranules |