| Acronym | Definition |
|---|
| FTI | Future Technologies, Inc. (Bay City, Michigan) |
| FTI | From the Inside (music album) |
| FTI | Full-Text Indexing (Microsoft SQL Server) |
| FTI | Free Thyroxine Index |
| FTI | Frontier Technology, Inc. (Goleta, California) |
| FTI | Franklin Templeton Investments |
| FTI | Forensic Technology, Inc. |
| FTI | Flight Test Instrumentation |
| FTI | Floor Targets Interactive |
| FTI | Farnesyltransferase Inhibition |
| FTI | Failure to Implement (economics) |
| FTI | Food Terminal Incorporated (Philippines) |
| FTI | Fundación Tecnologías de la Información (Spanish: Foundation of Information Technologies) |
| FTI | Free Thyroid Index |
| FTI | First Technology Inc. (Weston, MA) |
| FTI | Food Technology Institute (Jamaica) |
| FTI | Foreshore Technologies Incorporated (Canada) |
| FTI | Federal Tax Included |
| FTI | Flash Technologies International |
| FTI | Fleet Tactical Imagery |
| FTI | Flight Test Installation Guide |
| FTI | Fixed Target Indicator/Information |
| FTI | Forget the Internet (polite form) |
| FTI | Fisher Timing Information |
| FTI | Federal Taxable Income |
| FTI | Fixed Time Interval |
| FTI | Fusion Telecommunications International (various locations) |
| FTI | Fast Track Initiative |
| FTI | Face the Issue |
| FTI | Feminist Therapy Institute |
| FTI | Fair Treatment of Immigrants |
| FTI | Full-Time Instructor (various organizations) |
| FTI | Finishing Trades Institute (Hanover, Maryland) |
| FTI | Fast Tactical Imagery (US Navy AN/AVX-3) |
| FTI | Fixed Tactical Internet |
| FTI | FAA Telecommunications Infrastructure |
| FTI | Firearms Training Institute (Farmingdale, NY) |