| Abbreviation | Definition |
|---|---|
| CEECE | Corpus of Early English Correspondence Extension |
| CEEL | Center for Equity for English Learners |
| CEL | Counseling For English Learning |
| CELA | Center on English Learning Achievement |
| CELA | Center on English Learning and Achievement |
| CELH | Centre for English Legal History |
| CELL | Centre for English Language Learning |
| CELT | Centre for English Language Teaching |
| CEPD | Cambridge English Pronouncing Dictionary |
| CES | Centre of English Studies |
| CESC | Colchester English Study Centre |
| CETA | Cimahi English Teachers Association |
| CEV | Contemporary English Version |
| CFEP | Center for English Proficiency |
| CFER | Campaign For The English Regions |
| CGEL | Cambridge Grammar of the English Language |
| CGEL | Comprehensive Grammar of the English Language |
| CIEP | Center for Intensive English Programs |
| CIES | Center for Intensive English Studies |
| CIPIKIA | Commercially important persons Imam Khomeini International Airport |