- ACEF stands for Agricultural Competitiveness Enhancement Fund (Philippines)
- ACEF stands for Angel Capital Education Foundation
- ACEF stands for Arkansas Construction Education Foundation (est. 1994)
- ACEF stands for Access Control Enforcement Function
- ACEF stands for Alcatel Carrier Environment Internet System
- ACEF stands for Alliance for the Conservation of Exotic Felines (Greenbank, WA)
- ACEF stands for American Canine Education Foundation, Inc (Springfield, VA)
- ACEF stands for American Consumer Education Foundation
- ACEF stands for Auxiliary Cable Entrance Facility
- ACEF stands for Advanced Concept Evaluation Facility
- ACEF stands for Ada Compiler Evaluation Facility
ACEF