| Acronym | Definition |
|---|
| YW➣You're Welcome |
| YW➣Young Women (Church of Jesus Christ of Latter-day Saints youth program) |
| YW➣Youkai Watch (gaming) |
| YW➣Yearling Weight (livestock) |
| YW➣Water Barge (Self-Propelled) |
| YW➣Yeah, Whatever |
| YW➣Y-Wing (Star Wars) |
| YW➣Young Writer (writer aged 12 to 22) |
| YW➣Young Wizards (online forum) |
| YW➣Yreka Western Railroad |
| YW➣Yottawatt (10^24 watts) |
| YW➣Yes, Way (response to: no way) |
| YW➣Yo, Wassup (chat) |
| YW➣District Barge, Water (US Navy) |
| YW➣YarisWorld |