| Acronym | Definition |
|---|
| FOCAS | Fiber Optic Cable Assemblies |
| FOCAS | Fellowship Of Christian Anglers Society |
| FOCAS | Foundation of Compassionate American Samaritans (Haiti) |
| FOCAS | Flag Officer Carriers and Amphibious Ships (Royal Navy until Mid 80s) |
| FOCAS | Forward Crash Avoidance Systems |
| FOCAS | Fiber-Optics Communications for Aerospace Systems |
| FOCAS | FOCAS Foreign Military Sales Order Processing for Contract Administration Services |
| FOCAS | Friends of Cumbria Archives (UK) |
| FOCAS | Formación de Capital en Areas Secundarias (Galician: Capital Investment in Secondary Areas; Bolivia) |