English abbreviations from yf to yft
- yF (Yoctofarad)
- YF-17 (Northrop F-17 Cobra Prototype fighter aircraft)
- YF-22 (Lockheed YF-22 prototype fighter aircraft)
- YF-23 (Northrop YF-23 prototype fighter aircraft)
- YF3 (Yttrium Fluoride)
- YFA (Fort Albany Airport)
- YFAC (Youth For A Change)
- YFB (Iqaluit Airport)
- YFC (Fredericton International Airport)
- YFD (Youth Futures DATA (Development And Training Applications))
- YFE (Forestville Airport)
- YFF (Young Friends of Film)
- YFG (Fontanges Airport (TC: CTU2))
- YFH (Fort Hope Airport)
- YFHS (Your Favorite Hero-Street Team)
- YFJ (Youth For Justice)
- YFJ-4 (North American FJ-4 Fury prototype fighter)
- YFL (Fort Reliance Water Aerodrome)
- YFO (Flin Flon Airport)
- YFP (YellowFish Project)
- YFQ (Yarbrough Family Quarterly)
- YFR (Fort Resolution Airport)
- YFS (Fort Simpson Airport)
- YFSUP (Youth and Family Services of Upper Park)
- YFT (Youth For Tomorrow)