| Acronym | Definition |
|---|
| CCSG➣Commander, Carrier Strike Group (US Navy) |
| CCSG➣Cancer Center Support Grant |
| CCSG➣Command Center Secure Gateway |
| CCSG➣Council of Commonwealth Student Governments (Pennsylvania State University) |
| CCSG➣Corpus Christianorum, Series Graeca (publication) |
| CCSG➣Centro Culturale San Giorgio (Italian: Saint George Cultural Center; Ferrara, Italy) |
| CCSG➣Consumer Card Services Group (American Express) |
| CCSG➣Cambridge Consulting Services Group (Cambridge, MA) |