| Floating Point Instructions | Academic & Science |
| Faster Payment Incoming | Accounts and Finance |
| Fixed Private Investment | Business |
| Foreign Portfolio Investor | Business |
| Foreign Portfolio Investors | Business |
| Fewer Pieces Installed | Business |
| Farmland Partners Inc | Business |
| Pumps Inc | Business |
| Food Perspectives Inc | Business |
| Foreign Portfolio Investment | Business |
| First Piece Inspection | Business |
| Faculty Physicians Inc | Business |
| Facilitating Public Investment | Business |
| Forum Pacific Inc | Business |
| Front Pembela Islam | Community |
| Family Programming Interface | Computing |
| Floating Point Interface | Computing |
| Forwarding Path Identifier | Computing |
| Fluorescent Penetrant Inspection | General |
| Family Prosperity Index | General |
| Focus Progression and Integration | General |
| Fonds de Placement Immobilier | General |
| Functional Performance Inventory | General |
| Ford Police Interceptor | General |
| Fuel Pressure Isolator | General |
| Fuso Pampanga Inc. | General |
| Free Professional Installation | General |
| Fan Pain Index | General |
| Foundation For Paranormal Investigation | General |
| Fleet Purchase Incentive | General |
| Formal Public Identifiers | General |
| Facilities Performance Indicators | General |
| Foreign Private Issuer | General |
| Foreign Policy Initiative | General |
| Female Playwrights Initiative | General |
| Fins Per Inch | General |
| Front Populaire Ivoirien | General |
| Fugawi points of interest | General |
| Fiber Price Index | General |
| Faults per inch | General |
| Forbidden Planet International | General |
| Front Pembela Inulvista | General |
| Force Projection International | General |
| Future Prison Inmates | General |
| Future Pipe Industries | General |
| Facilitated Pathways Intervention | General |
| Fratty Presti Intrallazzi | General |
| Foreign Policy Interrupted | General |
| Federal Procurement Institute | Governmental |
| Fast Plasma Investigation | Governmental |
| Formal Public Identifier | Governmental |
| Fixed Price Incentive contract type | Governmental |
| Fiscal Policy Institute | Governmental |
| Foodservice Packaging Institute | Governmental |
| Fluid Power Institute | Governmental |
| Foreign Policy Institute | Governmental |
| Fundación Pablo Iglesias | International |
| Flux Changes Per Inch | Measurement Unit |
| first patient in | Medical |
| Functional Process Improvement | Military and Defence |
| Function Point Index | Softwares |
| Football Power Index | Sports |
