FTI
- F.T. Island
- FTI (Western Australia)
- FTI Consulting
- FTI railway station
- Fair Trials International
- Farnesyltransferase inhibitor
- Federation of Thai Industries
- Fellow of the Tax Institute
- First to invent
- Fitiuta Airport
- Flanders Technology International Foundation
- Flight test instrumentation
- Fogtrein
- Food Terminal Incorporated
- Foundation for Tolerance International
- Free thyroxine index
- Frégates de taille intermédiaire
- Futian railway station (Guangdong)