| Acronym | Definition |
|---|
| PSAN➣Partit Socialista d'Alliberament Nacional |
| PSAN➣Progressive Shareholders Association of Nigeria |
| PSAN➣Post-Soviet Armies Newsletter (electronic newsletter and database) |
| PSAN➣Peer Support & Advocacy Network (Pittsburgh, PA) |
| PSAN➣Phase-Stabilized Ammonium Nitrate |
| PSAN➣Posterior Superior Alveolar Nerve |