| Functional Service Architecture | Academic & Science |
| Fellow of the Society of Antiquaries | Academic & Science |
| Fellow, Society of Antiquaries | Academic & Science |
| Fast Statistical Alignment | Academic & Science |
| Finlands Automationssällskap rf | Academic & Science |
| Finnish Society of Automation | Academic & Science |
| Suomen Automaatioseura ry | Academic & Science |
| Joyce E. Farrell IEEE Staff Award | Academic & Science |
| Foundation Skills Assessment | Academic & Science |
| Filipino Student Association | Academic & Science |
| Federal Student Aid | Academic & Science |
| Filipino Students Association | Academic & Science |
| Faculty Student Association | Academic & Science |
| Feeler S Architects | Academic & Science |
| Federation of Schools of Accountancy | Accounts and Finance |
| Financial Services Authority | Accounts and Finance |
| Flexible Spending Arrangement | Accounts and Finance |
| the Financial Services Authority | Business |
| Financial Services Act | Business |
| Financial Security Assurance Holdings, LTD. | Business |
| Financial Security Assurance, Inc. | Business |
| Flexible Spending Account | Business |
| Field Service Advice | Business |
| Four Swords Adventures | Business |
| Fast Simulated Annealing | Business |
| Firm-Specific Advantage | Business |
| FSA Group Ltd | Business |
| Financial Security Assurance | Business |
| Financial Services Agency | Business |
| Financial Service Authority | Business |
| Fundamentals of Sustainability Accounting | Business |
| Filemaker Solutions Alliance | Business |
| Franklin Savings Association | Business |
| Family Service Agency | Business |
| Farm Security Agency | Business |
| Formamidine Sulphinic Acid | Chemistry |
| Friendly Society of Artists | Community |
| Fire Safety Analysis | Community |
| Fluid Sealing Association | Community |
| Florida Standards Assessments | Community |
| Fabless Semiconductor Association | Community |
| Families Supporting Adoption | Community |
| Florida Sheriffs Association | Community |
| Florida Society of Anesthesiologists | Community |
| Framework Study Areas | Computer and Networking |
| Financial Services and Analysis | Computing |
| Firewall Session Analyzer | Computing |
| Full Screen Area | Computing |
| Financial Security Assured | Computing |
| Finite State Automaton | Computing |
| Finite State Automata | Computing |
| File System Adapter | Computing |
| First Step Assistant | Computing |
| First Service Application | Computing |
| File Staging Area | Computing |
| Free Software Association | Computing |
| Finite State Automation | Computing |
| Free Syrian Army | Country Specific |
| File Sharing Application | Database Management |
| Forward Sortation Area | General |
| Future Slayers of America | General |
| Field Scope Adaptor | General |
| Food Services of America | General |
| Fuel supply Agreement | General |
| Flex Spending Account | General |
| Faster Search Algorithm | General |
| Flexible Savings Account | General |
| File System Algorithms | General |
| Flux Standard Action | General |
| FCAT Sucked Air | General |
| Foundational Skills Assessment | General |
| Fuel Surcharge Adjustment | General |
| FSA Digital Services | General |
| Functional Support Agreement | General |
| Future Search Assessment | General |
| Fee Simple Absolute | General |
| Facilitated Self Assistance | General |
| Faggy Saggy Aggie | General |
| Feed Safety Assurance | General |
| Farm Sustainability Assessment | General |
| Federal and State Aid | General |
| Family Separation Allowance | General |
| Full Steam Ahead | General |
| Flying Saucer Attack | General |
| Faculty Service Area | General |
| Ford South Africa | General |
| Front Shock Absorber | General |
| Fleet Safety Awards | General |
| Foton South Africa | General |
| Ford South America | General |
| Federal Crop Insurance Corporation | Governmental |
| Farm Service Agency ( U. S. Department of Agriculture) | Governmental |
| Freedom Support Act | Governmental |
| Forest State Account | Governmental |
| Family Support Act of 1988 | Governmental |
| Field Security Advisor | Governmental |
| Free Syria Army | Governmental |
| Farm Service Agency | Governmental |
| Farm Security Administration | Governmental |
| Farm Service Association | Governmental |
| Financial Standards Authority | Governmental |
| Financial Services Association | Governmental |
| Flexible Spending Accounts | Healthcare |
| Friede Seiner Asche | International |
| Fellow of The Society of Actuaries | Jobs |
| Finite State Assumption | Maths |
| Food Standards Agency | Medical |
| Fire Support Area | Military and Defence |
| Force Structure Allowance | Military and Defence |
| Foreign Systems Acquisition | Military and Defence |
| Full Speed Ahead | Military and Defence |
| Fox Symes Australia | Regional |
| Friends of South Africa | Regional |
| Functionality, Speed, and Aesthetics | Softwares |
| Fine Sun-pointing Acquisition Mode | Space Science |
| Farmington Sports Arena | Sports |
| Flatland Ski Association | Sports |