| Acronym | Definition |
|---|
| YK➣You Know |
| YK➣Yellowknife (Northwest Territories, Canada) |
| YK➣Yugen Kaisha (Japanese business designation) |
| YK➣Radar Beacon (US Navy) |
| YK➣Yhdistyneet Kansakunnat (Finnish: United Nations) |
| YK➣Yakovlev (Soviet aircraft designer) |
| YK➣Yukon Territories |
| YK➣Yoko Kanno (composer and musician) |
| YK➣Yleistä Keskustelua (Finnish) |