RSEC
| Acronym | Definition |
|---|---|
| RSEC | Regional Special Events Center |
| RSEC | Red Sea Environmental Centre (Salzburg, Austria) |
| RSEC | Research Site for Educators in Chemistry (US NSF) |
| RSEC | Radar Spectrum Engineering Criteria |
| RSEC | Range Science Education Council (ecology; various locations) |
| RSEC | Rising Star Equestrian Center (Massachusetts) |