| Acronym | Definition |
|---|
| ACEO➣Art Cards, Editions and Originals |
| ACEO➣Assistant Chief Electoral Officer (various locations) |
| ACEO➣Association of Chief Education Officers (UK) |
| ACEO➣Additional Chief Executive Officer (corporate title) |
| ACEO➣Association of Caribbean Electoral Organizations |
| ACEO➣Assistant Chief Education Officer (US NASA) |
| ACEO➣Assistant Chief Engineering Officer (Star Trek) |