- AACE stands for Association for the Advancement of Computing in Education
- AACE stands for American Association of Clinical Endocrinologists
- AACE stands for American Association of Cost Engineers
- AACE stands for Association for the Advancement of Cost Engineering (formerly American Association of Cost Engineers)
- AACE stands for American Association of Cat Enthusiasts
- AACE stands for American Association of Code Enforcement
- AACE stands for American Association for Cancer Education
- AACE stands for Association for Assessment in Counseling and Education
- AACE stands for Alliance Aviation Center of Excellence (Alliance Airport; Texas)
- AACE stands for Attitude and Antenna Control Electronics
- AACE stands for American Academic and Cultural Exchange
- AACE stands for Aircraft Alerting Communications EMP (Upgrade)
- AACE stands for All Animals Created Equal (Florida)
- AACE stands for American Association of Coastal Engineers
Abbreviations And Their Meaning