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 type of metal prized for its low-cost and high thermal conduction properties. Often used for computer cases
- Southeastern Ceremonial Complex, the iconographic and mythological complex of the Mississippian culture