| CIEF | Capabilities Integration Enterprise Forum 
| Others |
| CIEF | Cayman Islands Equestrian Federation
| Others |
| CIEF | Center for Innovation Entrepreneurship and Franchising
| Others |
| CIEF | Center for Islamic Economics and Finance
| Others |
| CIEF | Centro de Investigaciones y Estudios Familiares
| Others |
| CIEF | Collaboration and Industry Engagement Fund
| Others |
| CIEF | Construction Industry Environmental Forum
| Others |
| CIEF | International Council for Francophone Studies
| Others |