| Abbreviation | Definition |
|---|---|
| CLEC | Chinese Learner English Corpus |
| CLTE | Chinese Law Taught in English |
| CLYMER | Classroom Learning Yields Math English Readiness |
| COED | Concise Oxford English Dictionary |
| CONASE | Corpus Of North American Spoken English |
| CONEST | Conference on English Studies |
| CPE | Certificate in Proficiency in English |
| CRE | Chief Resident Engineer |
| CRIBE | Chat Room In Broken English |
| CWEP | Committee for Written English Proficiency |
| CWEP | Committee on Written English Proficiency |
| DBEG | Desi Beats Educational Group |
| DCEC | Dela Cruz English Cb |
| DCEU | Dictionary of Caribbean English Usage |
| DEEP | Direct Entry English Program |
| DELTA | Diploma in Teaching English to Speakers of Other Languages |
| DEO | Developing English Organization |
| DES | Diploma in English Studies |
| DESA | Department of English Students Association |
| DET | Duolingo English Test |