| Acronym | Definition |
|---|
| FMCI➣Fédération Marocaine du Conseil et de l'Ingénierie (French: Moroccan Council and Engineering Federation; Morocco) |
| FMCI➣Functional Multineuron Calcium Imaging (Japan) |
| FMCI➣Federation of Ministers and Churches International |
| FMCI➣Feria Mexicana de Ciencias e Ingenierias (Spanish: Mexican Science and Engineering Fair; Mexico) |
| FMCI➣Formal Methods and Component Interaction (informatics workshop) |
| FMCI➣Fort Mill Communications, Inc. (Rock Hill, SC; est. 1994; web design services) |