| Acronym | Definition |
|---|
| SEPA | Single Euro Payments Area (banking) |
| SEPA | Scottish Environment Protection Agency (statutory body) |
| SEPA | Solar Electric Power Association |
| SEPA | Single European Payment Area |
| SEPA | Southeastern Psychological Association (est. 1955) |
| SEPA | Société d'Equipement des Pays de l'Adour (French equipment company) |
| SEPA | Southeastern Power Administration |
| SEPA | State Environment Protection Administration (China) |
| SEPA | Special Emergency Procurement Authority (US DoD) |
| SEPA | Sociedad Española de Periodoncia |
| SEPA | Sindh Environmental Protection Agency (Pakistan) |
| SEPA | State Environmental Policy Act of 1971 |
| SEPA | Southeastern Planetarium Association |
| SEPA | Servicio de Protección Agropecuaria (Central America) |
| SEPA | Southeastern Pathology Associates (Brunswick, GA) |
| SEPA | Senior Ensign Present Afloat (Nautical) |
| SEPA | Sasebo Event Promotions Association (Sasebo, Nagasaki, Japan) |
| SEPA | Single-Engine Power Available (aviation) |
| SEPA | Signaling and End Point Application |
| SEPA | Single Element Patch Antenna |
| SEPA | Soviet Extended Planning Annex |
| SEPA | System Evaluation Planning and Assessment |
| SEPA | Safety and Emergency Preparedness Analysis |