FFU refer to:
*
Fan filter unit
*
Femur fibula ulna syndrome
* ''
Final Fantasy: Unlimited'', an anime television series
*
Football Federation of Ukraine
The Ukrainian Association of Football (UAF) ( uk, Українська асоціяція футболу, Ukrayins'ka Asotsiyatsiya Futbolu) is the governing body of football in Ukraine. Before 2019 it was known as the Football Federation of Ukr ...
*
Fred Flintstone Units, a pejorative term used to refer to United States customary units
*
Futaleufú Airfield, in Chile
*
Le Conquet radio or FFU (French '), a French radio station
* Focus forming units, used to express
Fluorescent Focus Assay in Virus quantification
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