 | Yangtze River Express Airlines Co. LTD | 2001 | 26 |
 | Yemenia | 1961 | 7 |
 | Yan Air Ltd | 2013 | 7 |
 | Yangon Airways | 1996 | 2 |
| Yemeni Air Force | - | - |
| Yellow River Delta General Aviation | - | - |
| Yakutsk Airlines | - | - |
 | Yunnan Hongtu Airlines | - | - |
| Yuhi Air Lines | - | - |
| Yute Air Alaska | - | - |
| Yankee Delta | - | - |
 | Yunnan Ying'An Airlines | - | - |
 | YTO Cargo Airlines Co. Ltd. | - | - |
| Yuzmashavia | - | - |
| Yankee Lima Helicopteres | - | - |
| Yuzhnaya | - | - |
| Yas Air Kish | - | - |
 | Yeti Airlines | - | - |
| Yapo Aerotaxi Ltda | - | - |
| Yak Air | - | - |
| Yak Design Bureau | - | - |
 | Yute Air Alaska | - | - |
| Yana Air Cargo | - | - |
| Yanzar | - | - |
| Yana Airlines | - | - |
| YTO Cargo Airlines | - | - |
| Yifeng Business Jet | - | - |
| Yunnan Ruifeng General Aviation | - | - |