| Abbreviation | Definition |
|---|---|
| BLAST | Ballroom Latin and Swing Team |
| BLO | Barrio Latin Opresion |
| BRA | Brasil Rodo Aéreo |
| BTLP | Best Tropical Latin Performance |
| c. | circa |
| CA | Circa |
| CALA | Central America and Latin America |
| CALA | Central America Latin America |
| CBIS | Concrete Block Insulating Systems |
| CBLA | Chapter of Black Latino Alumni |
| CCXX | Two Hundred and Twenty (not an acronym) |
| CE | Caveat Emptor |
| CES | Cogito Ergo Sum |
| CF | Cantus Firmus |
| cf. | [generally italicized] Compare [Latin "confer", imperative of "compare"] |
| CIC | Codex Iuris Canonici |
| CILA | Community Internships in Latin America |
| CILAD | Congresso Ibero Latino Americano De Dermatologia (Portuguese: Ibero-Latin American Congress of Dermatology) |
| CIS | Corpus Inscriptionum Semiticarum |
| CL | Corpus Luteum |