PSAN
| 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 |