| CHAP | Cadet Harassment Abuse Prevention 
| Others |
| CHAP | CalHFA (California Housing Finance Agency) Housing Assistance Program
| Others |
| CHAP | Cape Henry Assisting People
| Others |
| CHAP | Cardenden Heat and Power
| Others |
| CHAP | Caring Helping And Providing
| Others |
| CHAP | Center for Historic Architecture and Preservation
| Others |
| CHAP | Challenge Handshake Authentication Protocol
| Others |
| CHAP | Challenge-Handshake Authentication Protocol
| Others |
| CHAP | CHAPARRAL Air Defense Weapon
| Others |
| CHAP | Children's Healing Art Project
| Others |
| CHAP | Christian Home educators Association of Pennsylvania
| Others |
| CHAP | Christian Homeschool Association of
| Others |
| CHAP | Christian Homeschool Association of Pennsylvania
| Others |
| CHAP | Chronic Hazard Advisory Panel
| Others |
| CHAP | CISL HPC Allocations Panel
| Others |
| CHAP | Commission for Historical and Architectural Preservation
| Others |
| CHAP | Community Health Access Program
| Others |
| CHAP | Community Health Accreditation Partner
| Others |
| CHAP | Community Health Accreditation Program
| Others |
| CHAP | Community Health Advancement Program
| Others |
| CHAP | Community Health Aide Program
| Others |
| CHAP | Community Health Alliance of Pasadena
| Others |
| CHAP | Community Healthcare Access Program
| Others |
| CHAP | Community Helpers for Active Participation
| Others |
| CHAP | Complaints Handling Accueil des Plaignants
| Others |
| CHAP | Comprehensive Health Assessment Program
| Others |
| CHAP | Cuyahoga Health Access Partnership
| Others |