| IFI | I Fix the Issues 
| Others |
| IFI | I Found It
| Others |
| IFI | Idiopathic Faecal Incontinence
| Others |
| IFI | Idiopathic Fecal Incontinence
| Others |
| IFI | Illinois Family Institute
| Others |
| IFI | Illinois Fatherhood Initiative
| Others |
| IFI | Inclusive Fitness Initiative
| Others |
| IFI | Incremental Fit Index
| Others |
| IFI | Independent Film Initiative
| Others |
| IFI | Index of Financial Inclusion
| Others |
| IFI | Indirect Fuel Injection
| Others |
| IFI | Industrial Fastener Institute
| Others |
| IFI | Industrial Fasteners Inc
| Others |
| IFI | Industrial Fasteners Institute
| Others |
| IFI | Inline Fuel Injection
| Others |
| IFI | InnerChange Freedom Initiative
| Others |
| IFI | Innovation First Inc
| Others |
| IFI | Innovation First International
| Others |
| IFI | Innovation First, Inc.
| Others |
| IFI | Insight Foresight Institute
| Others |
| IFI | Instant File Initialization
| Others |
| IFI | Institute for Immunology
| Others |
| IFI | Institute for Inquiry
| Others |
| IFI | Instrumentation Facility Interface
| Others |
| IFI | Instruments For Industry
| Others |
| IFI | Intelligence E Fraud Investigation
| Others |
| IFI | Intensive Family Intervention
| Others |
| IFI | Internal Funding Initiative
| Others |
| IFI | Internal Funding Initiatives
| Others |
| IFI | International Fabricare Institute
| Others |
| IFI | International Federation of Interior
| Others |
| IFI | International Financial Institution
| Others |
| IFI | International Financial Institutions
| Others |
| IFI | International Fitness Interest
| Others |
| IFI | International Flood Initiative
| Others |
| IFI | International Forwarders Inc
| Others |
| IFI | International Friendships Inc
| Others |
| IFI | Internationaler Frauenstudiengang Informatik
| Others |
| IFI | Interns for Indiana
| Others |
| IFI | Invasive Fungal Infection
| Others |
| IFI | Irish Film Institute
| Others |
| IFI | Islamic Financial Institution
| Others |
| IFI | Issam Fares Institute
| Others |
| IFI | Issued for Information
| Others |
| IFI | Istituti Finanziari Internazionali
| Others |
| IFI | The Institute For Financial Integrity
| Others |
| IFI | The International Fund for Ireland
| Others |