| Acronym | Definition |
|---|
| CHN | China |
| CHN | Chain |
| CHN | Christelijke Hogeschool Nederland (Dutch university) |
| CHN | Coalition on Human Needs |
| CHN | City Hospital Nottingham (Nottingham, UK) |
| CHN | Canadian Health Network |
| CHN | Community Health Nurse |
| CHN | Christian Hospitality Network |
| CHN | Carondelet Health Network (Tucson, AZ) |
| CHN | California Homeschool Network |
| CHN | Cleveland Housing Network |
| CHN | Carbon, Hydrogen, Nitrogen |
| CHN | Center for Human Nutrition |
| CHN | Comité d'Homologation National (French: National Certification Committee; ornithology) |
| CHN | Congenital Hypomyelinating Neuropathy |
| CHN | Connecticut Homeschool Network |
| CHN | Cancer Hope Network |
| CHN | College Hoops Net (basketball) |
| CHN | Colorado Health Networks |
| CHN | Club Hippique de Nice (French: Nice Equestrian Club; Nice, France) |
| CHN | Club Honda Norway (Honda car club; Norway) |
| CHN | Certified Hemodialysis Nurse (Board of Nephrology Examiners, Inc. Nursing and Technology) |
| CHN | Coordination Handicap Normandie (French: Normandy Disability Coordination; Rouen, Normandy, France) |
| CHN | Christian Homeschool Network of Washington (Kent, WA; also seen as CHNOW) |
| CHN | Chicago National League (baseball) |
| CHN | Céramique Haute Normandie (French ceramics association) |
| CHN | Banco de Crédito Hipotecario Nacional (Guatemala) |
| CHN | Club d'Histoire des Neurosciences (French: History of Neuroscience Club) |
| CHN | Club Hippique de la Navarre (French: Navarre Equestrian Club) |
| CHN | Club Haltérophile Neuchâtel (French: Neuchâtel Weightlifting Club; Neuchâtel, Switzerland) |