- ACPN stands for Allied Congress Party of Nigeria
- ACPN stands for Advanced Course on Petri Nets (mathematical modeling)
- ACPN stands for Australia China Professionals Network
- ACPN stands for Art, Comedy, and Pop-Culture Network
- ACPN stands for Asian Congress of Pediatric Nutrition (conference)
- ACPN stands for Association of Commercial Publishers in Namibia
ACPN