| CHESS | California Higher Education Student Summit 
| Others |
| CHESS | Calvin and Hobbes Extensive Strip Search
| Others |
| CHESS | Care Homes Education and Support Services
| Others |
| CHESS | Center for Health Enhancement Systems Studies
| Others |
| CHESS | Centre for High Energy Systems and Sciences
| Others |
| CHESS | Centre for High Energy Systems and Sciences
| Government, Military, Defence, Weapon, Energy, Facility |
| CHESS | Chariot, Horse, Elephant, SoldierS
| Others |
| CHESS | Chemical Shift Selective
| Others |
| CHESS | Chemical Shift Selective Imaging Sequence
| Others |
| CHESS | Christian Home Educators Support System
| Others |
| CHESS | Churches Homeless Emergency Support Scheme
| Others |
| CHESS | Clearance House Electronic Subregister System
| Others |
| CHESS | Clearing House Electronic Sub-register System
| Others |
| CHESS | Clearing House Electronic Subregister System
| Others |
| CHESS | Colorado Heritage Education School System
| Others |
| CHESS | Community Health and Education Support Services
| Others |
| CHESS | Comprehensive Health Enhancement Support System
| Others |
| CHESS | Computer Hardware Enterprise Software and Solutions
| Others |
| CHESS | Computer Hardware, Enterprise Software and Solutions
| Others |
| CHESS | Consortium for Higher Education Software Services
| Others |
| CHESS | Consortium of Higher Education Support Services
| Others |
| CHESS | Cornell High Energy Synchrotron Source
| Others |
| CHESS | Cornell High Energy Syncrotron Source
| Others |
| CHESS | Cornerstone Health Enablement Strategic Solutions
| Others |
| CHESS | Creative, Humorous, Empathetic, and Socially Sensitive
| Others |
| CHESS | The Calvin And Hobbes Extensive Strip Search
| Others |