| Abbreviation | Definition |
|---|---|
| FNSCA | Fellow National Strength and Conditioning Association |
| FNSCA | Fellow of the National Strength and Conditioning Association |
| FOA | Fab Owners Association |
| FOA | Fiber Optic Association |
| FOA | Fibre Optics Association |
| FOA | Financial Officers Association |
| FOA | Financial Officers' Association |
| FOA | Financial Officers Association's |
| FOA | freedom of association |
| FOA | Futures and Options Association |
| FOAC | Franchise Owners Association of Chicagoland |
| FOAI | Fontana Owners Association Inc |
| FOBA | Fatima Old Boys Association |
| FOCA | Federation of Ontario Cottagers' Associations |
| FOCA | Formula One Constructors Association |
| FOLA | Federation of Ontario Law Associations |
| FOMA | Facility Operations Managers Association |
| FOMWAN | Federation of Muslim Women Association of Nigeria |
| FOPIA | Friends Of Peel Island Association |
| FOSA | Fairfield Outreach Sponsors Association |