| Acronym | Definition |
|---|
| CCEO | Codex Canonum Ecclesiarum Orientalium (Latin: Code of Canons of the Oriental Churches) |
| CCEO | Certified Code Enforcement Officer (various locations) |
| CCEO | Council of Caribbean Engineering Organisations |
| CCEO | Chamber of Commerce Executives of Ohio (Columbus, OH) |
| CCEO | Comal County Engineer's Office (Texas) |
| CCEO | Company Council of Executive Officers (now The Partnership; National Association of Professional Insurance Agents) |
| CCEO | Center for Continuing Education and Outreach (Missouri State University; West Plains, MO) |