YTT
| Acronym | Definition |
|---|---|
| YTT | Yoga Teacher Training |
| YTT | Yoga Therapy Teacher |
| YTT | Yesterday, Today and Tomorrow |
| YTT | Yesterday, Today, Tomorrow (plant) |
| YTT | Young Talent Time (Australian TV show) |
| YTT | Young Toba Tuff (volcanic eruption; Indonesia) |
| YTT | District Barge, Torpedo Testing (US Navy) |
| YTT | Yoshi Topsy-Turvy (video game) |
| YTT | Yardcraft, Torpedo Testing Barge |