VEC is a three-letter acronym which may refer to:
- Vehículo de Exploración de Caballería, a Spanish Army wheeled reconnaissance vehicle armed with a 25mm Bushmaster cannon.
- Vellore Engineering College, now known as Vellore Institute of Technology
- Victorian Electoral Commission
- The Irish Vocational Education Committee
- Volunteer Examiner Coordinator, an organization that has been approved by the Federal Communications Commission for the administration of amateur radio license examinations in the United States of America
- Veranópolis Esporte Clube Recreativo e Cultural, a Brazilian football (soccer) club
- Vermont Electric Cooperative, United States
- Ventura (Amtrak station), California, United States; Amtrak station code VEC
- Virginia Employment Commission
- Virtual Experience Company, a former subsidiary of Blitz Games Studios
- Venerable English College, the oldest overseas English institution, originally a Roman hospice and now a seminary for potential English Catholic priests