| Acronym | Definition |
|---|
| FECB | Far East Combined Bureau (est. 1935; UK) |
| FECB | Flood and Erosion Control Board |
| FECB | Foreign Exchange Control Board (Canadian governmental agency to control foreign exchange during WWII) |
| FECB | Fecundity Gene, Booroola, of Sheep, Homolog Of |
| FECB | Federal Employees' Compensation Benefits (US DOL) |
| FECB | Fabrique d'Etiquettes Cartonnages Bijouterie (French: Cardboard Labels Jewelry Factory) |
| FECB | Fiduciaire d'Expertise Comptable de Belgique (French: Trust Accounting Expertise of Belgium; Belgiqum) |