English abbreviations from ace to aces
- ACE (Armored Combat Earthmover (US))
- ACE(s) (Active Community Environment(s))
- ACEB (Army Clothing and Equipment Board)
- ACEBRD (Airborne Communications and Electronics Board)
- ACED (Attendance, Character, Effort, Discipline)
- ACEEE (American Council for an Energy-Efficient Economy)
- ACEHSA (Accrediting Commission on Education for Health Services Administration [later became CAHME])
- ACEI (Association For Childhood Education International)
- ACEOI (Automated Communications-Electronics Operating Instructions)
- ACEP (American College of Emergency Physicians)
- ACER (A Computer Entrepreneurial Revolution)
- ACEREP (Assistant Chief of Engineers REPort)
- ACERT (Army Computer Emergency Response Team)
- ACES (Aerolíneas Centrales de Colombia (Spanish, "Central Colombian Airlines"))