| Acronym | Definition |
|---|
| FCDI➣Federación Cantabra de Deportes de Invierno (Spanish: Cantabra Federation of Winter Sports) |
| FCDI➣Freundeskreis Christlicher Dichter und Internetevangelisten (German: Friends of Christian Poets and Internet Evangelists) |
| FCDI➣Fournitures Caoutchouc et Droguerie Industrielles (French: Industrial Rubber and Hardware Supplies; Morocco) |
| FCDI➣Franche Comté Développement Immobilier (French real estate company) |
| FCDI➣Fresno Career Development Institute, Inc. (Fresno, CA) |
| FCDI➣Fangak Community Development Initiative (South Sudan) |
| FCDI➣First Contact Defence Initiative (gaming) |
| FCDI➣Flood Control, Drainage and Irrigation Project (Bangladesh) |
| FCDI➣Forum for the Comprehensive Development of Indochina |
| FCDI➣Fresnel Coherent Diffractive Imaging (medical optics) |