| Acronym | Definition |
|---|
| OCEO➣Offensive Cyber Effects Operations |
| OCEO➣Office of the Chief Executive Officer (various organizations) |
| OCEO➣Office of the Chief Electoral Officer (Canada) |
| OCEO➣Olympic College Environmental Outreach |
| OCEO➣Opportunities to Change, Educate and Overcome (Tallahassee, FL) |
| OCEO➣Open Change Engineering Order |