- ACEP stands for American College of Emergency Physicians
- ACEP stands for AOC (Air Operations Center) Communications Enhancement Package
- ACEP stands for Association for Comprehensive Energy Psychology
- ACEP stands for Approved Continuing Education Provider
- ACEP stands for Alaska Center for Energy and Power (University of Alaska)
- ACEP stands for Army Center for Enhanced Performance
- ACEP stands for African Coelacanth Ecosystem Programme
- ACEP stands for American Coaching Effectiveness Program (now American Sport Education Program)
- ACEP stands for Annual Coordinated Election Period (US Medicare)
- ACEP stands for Advisory Committee on Export Policy (US Department of Commerce)
- ACEP stands for Approved Continuous Examination Program
- ACEP stands for Accredited Continuing Education Provider
- ACEP stands for Associação de Comércio Electrónico em Portugal (Lisbon, Portugal)
- ACEP stands for Alliance avec les Chrétiens en Politique (French: Alliance with the Christians in Politics; EU)
- ACEP stands for Airport Capacity Enhancement Plan
- ACEP stands for Advisory Committee, Export Policy
- ACEP stands for Association Canadienne des Employés Professionels
- ACEP stands for Association du Collectionneurs des Entiers Postaux (French: Association of Postal Stationery Collectors)
- ACEP stands for Advancement of Community Empowerment and Partnership (Hanoi, Vietnam)
- ACEP stands for Australian Council of Egg Producers
ACEP