| CSTA | California Science Teachers Association 
| Others |
| CSTA | California Security Training Academy
| Others |
| CSTA | Canadian Seed Trade Association
| Others |
| CSTA | Center for SCREEN-TIME Awareness
| Others |
| CSTA | Chief Scientific and Technical Advisors
| Others |
| CSTA | Combat Systems Test Activity
| Others |
| CSTA | Community of Scientific and Technological Activities
| Others |
| CSTA | Community Schools Transformation Alliance
| Others |
| CSTA | Computer Science Teachers Association
| Others |
| CSTA | Computer Supported Telecommunications Applications
| Others |
| CSTA | Computer Supported Telephony Application
| Others |
| CSTA | Computer Supported Telephony Applications
| Others |
| CSTA | Computer Systems Technology Association
| Others |
| CSTA | Computer-Supported Telecommunications Applications
| Others |
| CSTA | Connecticut Science Teachers Association
| Others |
| CSTA | Constant Slope Timed Automata
| Others |
| CSTA | Council of Science and Technology Advisors
| Others |
| CSTA | Crew Software Training Aid
| Others |
| CSTA | Czech and Slovak Transatlantic Award
| Others |