- ACOC stands for Australian Committee on Cataloguing
- ACOC stands for Austin Champ Owners Club (vehicles)
- ACOC stands for Atlanta Church of Christ (est. 1987; Atlanta, GA)
- ACOC stands for Anchorage Chamber of Commerce (Alaska)
- ACOC stands for Apostolic Catholic Orthodox Church
- ACOC stands for Area Communications Operations Center
- ACOC stands for Air Cooled Oil Cooler
- ACOC stands for Air Command Operations Center
- ACOC stands for Allied Combat Operations Center (NATO)
- ACOC stands for Air Combat Operations Center
- ACOC stands for Army Customer Order Control
- ACOC stands for Area Control Operations Center
- ACOC stands for Airborne Combat Operations Center
- ACOC stands for AUTODIN Communication Operations Center
- ACOC stands for Alternate Combat Operations Center
- ACOC stands for Auto Collimating Optical Coupler
- ACOC stands for Ann Coulter Official Chat (forum)
- ACOC stands for Amherstburg Chamber of Commerce (Amherstburg, ON, Canada)
- ACOC stands for Aluminum Company of Canada Ltd.
ACOC