SEC (disambiguation)

SEC is a TLA which can refer to:

• In general context, an abbreviation for second.
• In mathematics and geometry, an abbreviation for secant.
• Securities and Exchange Commission
• Southeastern Conference
• Singapore Environment Council
• Southeastern Conference
• Space Environment Center
• single error correction (see error correcting code)
• Single Edge Connect
• State Examinations Commission, Ireland
• State Electricity Commission , Victoria, Australia (defunct)
• Size Exclusion Chromatography
• Shielks Elite Commandos
• Simple Electronic Computer , a computer from about 1950