| Acronym | Definition |
|---|
| FTO | Federation of Tour Operators (UK) |
| FTO | Field Training Officer (law enforcement) |
| FTO | Fair Trade Organic (product designation) |
| FTO | Foreign Terrorist Organizations |
| FTO | Fresh Touring Origination |
| FTO | Finish to Order |
| FTO | Freedom to Operate |
| FTO | Flight Training Organization (aviation) |
| FTO | Film and Television Office (Australia) |
| FTO | fat mass and obesity-associated (gene) |
| FTO | Fluorine-doped Tin Oxide |
| FTO | Federal Tax Ombudsman (Pakistan) |
| FTO | Flameless Thermal Oxidizer |
| FTO | Flexible Time Off |
| FTO | Functional Test Objective |
| FTO | Failure to Obey (law enforcement) |
| FTO | Fresh Touring Origination (Mitsubishi coupe car) |
| FTO | First Time Offender |
| FTO | Final Takeoff |
| FTO | Freezer to Oven (dough products) |
| FTO | Flight Training Officer (US Air Force ROTC) |
| FTO | Fuel Trip Optimizer (trains) |
| FTO | Funky Town Osaka (song title) |
| FTO | Foreign Training Officer |
| FTO | Full-Time Occlusion (ophthalmology) |
| FTO | Fluorinated Tin Oxide |
| FTO | Foundation for Transparency in Offshoring (Chantilly, VA) |
| FTO | Flight Test Objective |
| FTO | Fine Troy Ounce |
| FTO | Figure The Odds |
| FTO | Field Ticket Office |
| FTO | Fight the Octopus |
| FTO | Full Time Off (leave day) |
| FTO | Faery Tale Online (game) |
| FTO | Final Technical Order |
| FTO | Flex Targeting Officer (Air Operations Center position) |
| FTO | Fraction of Transportation Power Supplied by Oil (Carolina Environmental Program) |