SPNB
| Acronym | Definition |
|---|---|
| SPNB | Syarikat Prasarana Negara Berhad (Malay: National Infrastructure Company Limited; Kuala Lumpur, Malaysia) |
| SPNB | Security Pacific National Bank (Los Angeles, CA) |
| SPNB | Symposium on Plant Neurobiology (annual conference) |
| SPNB | Some-Primary/No-Backup |