CNP
- 2',3'-Cyclic-nucleotide 3'-phosphodiesterase
- C-type natriuretic peptide
- CNP Assurances
- California National Party
- Cambodian National Police
- Canadian Nationalist Party (2017)
- Card-not-present transaction
- CenterPoint Energy
- Certified nurse practitioner
- Chief of Naval Personnel
- Chinese Nationalist Party
- Chinese New Party
- Chronic nonbacterial prostatitis
- Colombian National Police
- Comprehensive National Power
- Contract Net Protocol
- Conway Park railway station
- Cornish Nationalist Party
- Council for National Policy
- Counter Narcotics Police of Afghanistan
- Cuerpo Nacional de Policía
- List of professional designations in the United States
- NPM/CNP
- Nerlerit Inaat Airport
- Network Professional Association
- Personal Numeric Code (Romania)