FLBC
| Acronym | Definition |
|---|---|
| FLBC | Fixed Length Block Code |
| FLBC | Fountain of Life Bible Church (Johnson City, TN) |
| FLBC | Family League of Baltimore City (est. 1991; Maryland) |
| FLBC | Flathead Lutheran Bible Camp (Lakeside, MT) |
| FLBC | Formal Language for Business Communication |
| FLBC | Forêts Loisirs Bois Carel (French: Carel Wood Forest Recreation) |
| FLBC | Friends of Lower Beaverdam Creek (Maryland) |