English abbreviations from yif to ykg
- YIF (Saint-Augustin Airport)
- YIFF (Yukon International Film Festival)
- YIG (Big Bay Marina Airport)
- YIH (Yichang Sanxia Airport)
- YIK (Ivujivik Airport)
- YIL (Years In League)
- YIN (Yining Airport)
- YIO (Pond Inlet Airport)
- YIP (Willow Run Airport)
- Yippie (Youth International Party + suffix)
- YIQ (Luminance, In-phase, Quadrature)
- YIS (Yokohama International School)
- YISA (Yokohama International School Alumni)
- YISP (Youth Inclusion Support Programme)
- YIT (Yagyavalkya Institute of Technology)
- YIV (Island Lake Airport)
- YIW (Yiwu Airport)
- YIY (Yoga is Youthfulness)
- yJ (Yoctojoule)
- YJA (Jasper Airport)
- YJC (Young Jumper Championships)
- YJF (Fort Liard Airport)
- YJI (Youth Jounalism International)
- YJN (Saint-Jean Airport)
- YJP (Hinton/Jasper-Hinton Airport)
- YJS (Yateley Junior Singers)
- YJT (Stephenville Airport)
- yK (Yoctokelvin)
- YKA (Kamloops Airport)
- YKB-29T (Prototype Tanker version of B-29 bomber)
- YKC (Collins Bay Airport)
- YKD (Kincardine Airport)
- YKE (Knee Lake Airport (TC: CJT3))
- YKF (Region of Waterloo International Airport)
- YKG (Kangirsuk Airport)