SEPI
| Acronym | Definition |
|---|---|
| SEPI | Sociedad Estatal de Participaciones Industriales (Spain) |
| SEPI | Society for the Exploration of Psychotherapy Integration |
| SEPI | Secretary of State for the Promotion of Equality (East Timor) |
| SEPI | Southeastern Paranormal Investigations (Ocala, FL) |
| SEPI | Suncor Energy Products, Inc. (Toronto, Ontario, Canada) |
| SEPI | Society of Energy Professionals International |