| Abbreviation | Definition |
|---|---|
| CS | City Street |
| CSA | Child Support Agency |
| CSA | Consolidated Statutes Annotated |
| CSA | County Service Area |
| CSAA | Colorado State Approving Agency |
| CSAC | Counseling Service Of Addison County |
| CSADC | Community Services Agency and Development Corporation |
| CSAP | Community Service Americorps Program |
| CSB | Children's Services Board |
| CSBP | Colorado State Board of Pharmacy |
| CSC | Cost Sharing Certificate |
| CSCE | Colorado State Cooperative Extension |
| CSDI | Community Self-Determination Institute (California) |
| CSEC | Child Support Enforcement Council |
| CSF | City Service Firm |
| CSF | Conseil Scolaire Francophone |
| CSFC | California State Federation of Chapters |
| CSFE | Council for Social Foundations of Education |
| CSG | Council of State Governments |
| CSI | California Specifications Index |