| YDF | Deer Lake, Newfoundland, Canada - Deer Lake (Airport Code) | 加拿大纽芬兰迪尔湖-迪尔湖（机场代码） |
| YDF | Youth Development Foundation | 青年发展基金会 |
| YDF | Deer Lake, Newfoundland, Canada | 加拿大纽芬兰迪尔湖 |
| YDF | Youth Development Forum | 青年发展论坛 |
| YDF | Ytterbium-doped Double-clad Fiber | 掺镱双包层光纤 |
| YDF | Yemeni Development Foundation | 也门发展基金会 |
| YDF | Your Daily Freebies | 您的每日免费 |
| YDF | You Dumb Freak (polite form) | 你这个蠢货（礼貌用语） |
| YDF | Your Daily Freebies Forum | 您的每日免费论坛 |