SECC may refer to:
- Software Engineering Competence Center (SECC)
- Social Entrepreneurship and Consulting Cell, Symbiosis International University (SIBM) Pune
- Scottish Exhibition and Conference Centre, an exhibition space in Glasgow, Scotland
- Single Edge Contact Cartridge, a connector for microprocessors
- Steel, electrogalvanized, cold-rolled, coil, a low-cost type of metal with high thermal conduction that is often used for computer cases
- Southeastern Ceremonial Complex, the iconographic and mythological complex of the Mississippian culture
- Southeastern California Conference of Seventh-day Adventists, the conference in direction of all the Southeastern California organisations, churches, etc.
- Sands Expo and Convention Center, an exhibition and convention center located in Las Vegas, NV, USA.