OTAN
| Acronym | Definition |
|---|---|
| OTAN | Organización del Tratado del Atlántico Norte (Spanish: North Atlantic Treaty Organization) |
| OTAN | Organisation du Traité de l'Atlantique Nord (French: North Atlantic Treaty Organization) |
| OTAN | Organização do Tratado do Atlântico Norte (Portuguese: North Atlantic Treaty Organization) |
| OTAN | Ode to A Nightingale (Keats poem) |
| OTAN | Outreach and Technical Assistance Network |