| SCA | Shuttle Carrier Aircraft | - | Atmospheric Research Center |
| SCA | Supplementary Credit Approval | - | Chatting Acronyms |
| SCA | Specific Collection Areas | - | Computer Acronyms(common) |
| SCA | Standing Committee Of Analysts [probably Of EC] | - | Computer Acronyms(common) |
| SCA | Self-consistent Approximation | - | Computer Acronyms(common) |
| SCA | Semiclassical Approximation | - | Computer Acronyms(common) |
| SCA | Semiclassical Coulomb Approximation | - | Computer Acronyms(common) |
| SCA | Schedule Change Authorization | - | Organizations |
| SCA | Sequence Control Assembly | - | Organizations |
| SCA | Sequence Control Assembly | - | Organizations |
| SCA | Shuttle Carrier Aircraft | - | Organizations |
| SCA | Shuttle Carrier Aircraft | - | Organizations |
| SCA | Simulation Control Area | - | Organizations |
| SCA | Sneak Circuit Analysis | - | Organizations |
| SCA | Security Control Assessment
| - | Human Genome |
