| Acronym | Definition |
|---|
| APEO➣Association of Professional Engineers of Ontario |
| APEO➣Alkylphenolethoxylate |
| APEO➣Asia Pacific Education Office |
| APEO➣Action pour Enfants Oublies (French: Action for Forgotten Children; Democratic Republic of Congo) |
| APEO➣Assistant Program Executive Officer |
| APEO➣Academic Preparation and Equal Opportunity (University of California, Santa Barbara) |