| Acronym | Definition |
|---|
| CHAP | Chapter |
| CHAP | Challenge-Handshake Authentication Protocol |
| CHAP | Chaplain |
| CHAP | Community Health Accreditation Program |
| CHAP | Common Humanitarian Action Plan |
| CHAP | Challenge Handshake Authentication Protocol |
| CHAP | Community Health Alliance of Pasadena (Pasadena, CA) |
| CHAP | Community Health Aide Program |
| CHAP | Chronic Hazard Advisory Panel |
| CHAP | Chicago Health and Aging Project |
| CHAP | Channel Processor |
| CHAP | Christian Homeschool Association of Pennsylvania |
| CHAP | Childhope Asia Philippines |
| CHAP | Cadet Harassment and Abuse Prevention (Canada) |
| CHAP | Children Have A Potential |
| CHAP | Community Health Advocacy Program |
| CHAP | Children's Hospitalization Alternative Program |
| CHAP | Community Health Action Project |
| CHAP | Common Hybrid Agent Platform |
| CHAP | Compton High-Altitude Pulse |
| CHAP | Council of Health Agencies of the Philippines |
| CHAP | Contractor Held Air Force Property |
| CHAP | Chemical Hazard Awareness Program |