English abbreviations from yawn to ybo
- YAWN (Young Americans With Narcolepsy)
- YAWP (Yet Another Worthless Publication)
- YAY (St. Anthony Airport)
- YAZ (Tofino Airport)
- Yb (Ytterbium)
- YB-35 (Northrop prototype B-35 long-range heavy bomber)
- YB-40 (Prototype B-17 conversion to bomber escort gunship)
- YB-49 (Northrop prototype B-49 Flying Wing Heavy Bomber)
- YBA (Banff Airport)
- YBB (Kugaaruk Airport)
- YBC (Baie-Comeau Airport)
- YBD (New Westminster Airport)
- YBE (Uranium City Airport)
- YBF (Bamfield Water Aerodrome (TC: CAE9))
- YBFA (Yemeni British Friendship Association)
- YBFC (Youth Board Fights Crime)
- YBG (Bagotville Airport)
- YBH (Bull Harbour Airport)
- YBI (Black Tickle Airport (TC: CCE4))
- YBJ (Baie-Johan-Beetz Seaplane Base)
- YBK (Baker Lake Airport)
- YBL (Campbell River Airport)
- YBM (Bronson Creek Airport (TC: CAB5))
- YBN (CFB Borden (heliport))
- YBO (Bob Quinn Lake Airport (TC: CBW4))