| CS | Compton Scattering | - | Computer Acronyms(common) |
| CS | Centrifugal Sudden (approximation) | - | Computer Acronyms(common) |
| CS | Chemical Shift | - | Computer Acronyms(common) |
| CS | Configuration Space (in Wave Functions) | - | Computer Acronyms(common) |
| CS | Coupled-states (or Centrifugal Sudden) Approximation | - | Computer Acronyms(common) |
| CS | Crystal Structure | - | Computer Acronyms(common) |
| CS | Change Status | - | Organizations |
| CS | Checkout Station | - | Organizations |
| CS | Common Set | - | Organizations |
| CS | Consumables Status | - | Organizations |
| CS | Control Segment | - | Organizations |
| CS | Core Segment | - | Organizations |
| CS | Crew Station | - | Organizations |
| CS | Spacelab Operations Directorate | - | Organizations |
| CS | STS Cargo Operations (KSC Directorate) | - | Organizations |
| CS | Career Suicide | - | ISO Country Codes |
| CS | Combat Support - Computer Scientist -Costa Rica (FIPS 10-4 Country Code) - Serbia And Montenegro (ISO 3166 Digram) | - | Astronomy |
| CS | Caesium | - | Astronomy |
| CS | Czech Language (ISO 639-1 Code) | - | Astronomy |
| CS | Combined Services
| - | Human Genome |
