CPN may refer to:
- Calpine Corporation, New York Stock Exchange symbol CPN
- Canadian Perinatal Network
- Carnivorous Plant Newsletter
- Carpinteria (Amtrak station), California, Amtrak station code CPN
- Caspian Airlines (Iran), ICAO airline designator CPN
- Celiac plexus neurolysis, in medicine, the chemical ablation of the celiac plexus
- Central Park North (disambiguation)
- Central Pattana, Stock Exchange of Thailand symbol CPN
- Chlamydia pneumoniae, generally Cpn or CpN
- Citizen Potawatomi Nation, a federally recognized tribe of Potawatomi people located in Oklahoma
- Clapham North tube station, London, London Underground station code CPN
- Coloured Petri net
- Communist Party of Nepal
- Communist Party of the Netherlands
- Community psychiatric nurse
- Complex projective space,
- Confederation of the Polish Nobility
- Country and Progressive National Party, early 20th-century political party in Queensland, Australia
- Lysine carboxypeptidase, an enzyme
- Community Protection Notice in the United Kingdom
This disambiguation page lists articles associated with the title CPN.
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