| CCSE | California Center for Sustainable Energy 
| Others |
| CCSE | Canadian Center of Science and Education
| Others |
| CCSE | Career Center for Science and Engineering
| Others |
| CCSE | Catholic Coalition for Special Education
| Others |
| CCSE | Center for Catholic School Effectiveness
| Others |
| CCSE | Center for Complex Systems & Enterprise
| Others |
| CCSE | Center for Complex Systems and Enterprises
| Others |
| CCSE | Center for Computational Sciences and Engineering
| Others |
| CCSE | Central Coast Salmon Enhancement
| Others |
| CCSE | Checkpoint Certified Security Engineer
| Others |
| CCSE | Cisco Certified Systems Engineer
| Others |
| CCSE | Citywide Council on Special Education
| Others |
| CCSE | Coalition for Cannabis Standards and Ethics
| Others |
| CCSE | College of Computer Sciences and Engineering
| Others |
| CCSE | Communications in Control Science and Engineering
| Others |
| CCSE | Computing Curriculum Software Engineering
| Others |