| 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 |