- ACPL stands for Allen County Public Library (Ft Wayne, Indiana, USA)
- ACPL stands for Autonomic Computing Policy Language
- ACPL stands for Aircraft Certification Policy Letter (Canada)
- ACPL stands for Advisory Council on Procurement Lobbying (Office of General Services; New York)
- ACPL stands for Asynchronous Concurrent Programming Language
- ACPL stands for Art Circle Public Library (Crossville, TN)
ACPL