| Acronym | Definition |
|---|
| CIEO➣Canadian International Education Organization |
| CIEO➣Catholic International Education Office |
| CIEO➣Centro de Investigación Y Estudios Odontológicos |
| CIEO➣Centro de Investigação Sobre Espaço e Organizações (Portugese) |
| CIEO➣Chicano-Latinos Employment Opportunities |
| CIEO➣Centro Integrado de Especialidades Odontológicas (Brazil) |
| CIEO➣Coaching de Indivíduos, Equipas e Organizações (Portugal) |
| CIEO➣Centre International pour l'Exploitation des Océans (Quebec, Canada) |
| CIEO➣Comité International d'Evaluation et d'Orientation |
| CIEO➣Core Information Exchange Online |
| CIEO➣Centre for Industrial and Engineering Optics (Dublin Institute of Technology) |