CSEC

Template:Sister project CSEC may refer to:

• Calgary Sports and Entertainment Corporation, owner and operator of several Calgary-based sports teams
• Caribbean Secondary Education Certificate
• Communications Security Establishment Canada, later known as the Communications Security Establishment, the Canadian government's national cryptologic agency
• Commercial sexual exploitation of children
• Commission on State Emergency Communications, an agency of the State of Texas; see Steve Mitchell
• Citadel Security Services, in the computer game Mass Effect