| C&HS | Comfort and Handling Stability 
| Others |
| CHS | Cable Hook Stopper
| Others |
| CHS | Calabasas High School
| Others |
| CHS | California Historical Society
| Others |
| CHS | Call Home Systems
| Others |
| CHS | Calvarial Hyperostotic Syndrome
| Others |
| CHS | Camas High School
| Others |
| CHS | Camperdown High School
| Others |
| CHS | Canada Health Survey
| Others |
| CHS | Canadian Hearing Society
| Others |
| CHS | Canadian Hematology Society
| Others |
| CHS | Cannabinoid Hyperemesis Syndrome
| Others |
| CHS | Cannulated Hip Screw
| Others |
| CHS | Capital High School
| Others |
| CHS | Capitol Hill Seattle
| Others |
| CHS | Captain Hook Syndrome
| Others |
| CHS | Capuchino High School
| Others |
| CHS | Cardiovascular Health Study
| Others |
| CHS | Cargo Handling System
| Others |
| CHS | Carlsbad High School
| Others |
| CHS | Carmel High School
| Others |
| CHS | Carolinas HealthCare System
| Others |
| CHS | Carrboro High School
| Others |
| CHS | Carroll Hall Shelby
| Others |
| CHS | Catholic Health Services
| Others |
| CHS | Catholic High School
| Others |
| CHS | cavernous haemangioma
| Others |
| CHS | Cedar High School
| Others |
| CHS | Cenex and Harvest States
| Others |
| CHS | Cenex Harvest State
| Others |
| CHS | Centennial High School
| Others |
| CHS | Center For Health Sciences
| Others |
| CHS | Center for Health Statistics
| Others |
| CHS | Center for Hellenic Studies
| Others |
| CHS | Center for Human Services
| Others |
| CHS | Center for Hydrogen Safety
| Others |
| CHS | Center of Human Services
| Others |
| CHS | Centerville High School
| Others |
| CHS | Central Heating System
| Others |
| CHS | Central High School
| Others |
| CHS | Central Hypoventilation Syndrome
| Others |
| CHS | Centre of Historical Studies
| Others |
| CHS | Century High School
| Others |
| CHS | Certified Health Specialist
| Others |
| CHS | Ceska Hudebni Spolecnost
| Others |
| CHS | Chaired, Hanged, and Shot
| Others |
| CHS | Challenge Stradale
| Others |
| CHS | Chalmette High School
| Others |
| CHS | Change Sign
| Others |
| CHS | Channel Statistics Module
| Others |
| CHS | Chaparral High School
| Others |
| CHS | Character Holiness and Sportsmanship
| Others |
| CHS | Character Holiness Sportmanship
| Others |
| CHS | Character, Holiness, Sportmanship
| Others |
| CHS | Charles Haddon Spurgeon
| Others |
| CHS | Charleston Air Force Base / International Airport
| Others |
| CHS | Charleston, South Carolina USA
| Others |
| CHS | Charlotte High School
| Others |
| CHS | Charlotte Southern Railroad
| Others |
| CHS | Charlottesville High School
| Others |
| CHS | Charter High School
| Others |
| CHS | Chaska High School
| Others |
| CHS | Chat Help Smileys
| Others |
| CHS | Chediak-Higashi syndrome
| Others |
| CHS | Chelmsford High School
| Others |
| CHS | Chestatee High School
| Others |
| CHS | Chicago Heights Steel
| Others |
| CHS | Child Health Surveillance
| Others |
| CHS | Childrens Home Society
| Others |
| CHS | Chinese Health Study
| Others |
| CHS | Chinese Simplified
| Others |
| CHs | Chlorinated Hydrocarbons
| Others |
| CHS | Choke Solenoid
| Others |
| CHS | Christiansburg High School
| Others |
| CHS | Christopher High School
| Others |
| CHS | Chrome Step Bumper
| Others |
| CHS | Chronic Hyperplastic Sinusitis
| Others |
| CHS | Chrysler Historical Services
| Others |
| CHS | Chrysler Historical Society
| Others |
| CHS | Churchill High School
| Others |
| CHS | Cienega High School
| Others |
| CHS | Circular Hollow Section
| Others |
| CHS | Citizens for Highway Safety
| Others |
| CHS | Civilian Healthcare System
| Others |
| CHS | Clackamas High School
| Others |
| CHS | Claremont High School
| Others |
| CHS | Clarkston High School
| Others |
| CHS | Clements High School
| Others |
| CHS | Clifton High School
| Others |
| CHS | Clutch Hub Sleeve
| Others |
| CHS | Co-operative Housing Society
| Others |
| CHS | Colchester High School
| Others |
| CHS | College Health Service
| Others |
| CHS | Collimated Hole Structure
| Others |
| CHS | Columbia High School
| Others |
| CHS | Columbine High School
| Others |
| CHS | Combat Health Support
| Others |
| CHS | Come Home Safe
| Others |
| CHS | Command Hardware and Software
| Others |
| CHS | Common Hardware and Software
| Others |
| CHS | Common Hardware Software
| Others |
| CHS | Common Hardware/Software
| Others |
| CHS | Community Health Sciences
| Others |
| CHS | Community Health Services
| Others |
| CHS | Community Health Study
| Others |
| CHS | Community Health Survey
| Others |
| CHS | Community Health Systems
| Others |
| CHS | Community Help Service
| Others |
| CHS | Comprehensive Hormone Supplementation
| Others |
| CHS | Compression Hip Screw
| Others |
| CHS | Computer Hardware Servicing
| Others |
| CHS | Connecticut Historical Society
| Others |
| CHS | Constant High Speed
| Others |
| CHS | Controlled Haemorrhagic Shock
| Others |
| CHS | Convenient Horizontal Surface
| Others |
| CHS | Coppell High School
| Others |
| CHS | Cordova High School
| Others |
| CHS | Core Humanitarian Standards
| Others |
| CHS | Coronary Heart Study
| Others |
| CHS | Corvallis High School
| Others |
| CHS | Counseling For High Skills
| Others |
| CHS | Coventry High School
| Others |
| CHS | Creekside High School
| Others |
| CHS | Croatan High School
| Others |
| CHS | Cromwell High School
| Others |
| CHS | Cubic Heterodispers Single
| Others |
| CHS | Cubiccrystal Heterodispers Single
| Others |
| CHS | Cupertino High School
| Others |
| CHS | Current Health Status
| Others |
| CHS | Cute Happy Sappy
| Others |
| CHS | Cute, Happy, Sappy
| Others |
| CHS | Cyber Human Systems
| Others |
| CHS | Cylinder Head and Sector
| Others |
| CHS | Cylinder Head Sector
| Others |
| CHS | Cylinder, Head, and Sector
| Others |
| CHS | Cylinder-Head-Sector
| Others |
| CHS | Cylinders Head Sectors
| Others |
| CHS | Cylinders Heads And Sector
| Others |
| CHS | Cylinders Heads and Sectors
| Others |
| CHS | Cylinders Heads Sectors
| Others |
| CHS | Cylinders, Heads, and Sectors
| Others |