Horse Directory: Ya Can't Tell 'em - Yankee Tango
- Ya Can't Tell 'em
- Ya Crackin' Jokes
- Ya Don't Say
- Ya Dreamin Jonesy (NZ)
- Ya Habibi
- Ya Michelle
- Ya Reckon
- Ya Still Callme Al
- Ya Still Wonder
- Ya Ya
- Ya Ya Effendi (NZ)
- Yaabalady (USA)
- Yaakooum (IRE)
- Yaasah
- Yaba Dabl Doya
- Yababungara
- Yabbra
- Yabeel
- Yabigorse
- Yaboroo
- Yabulu Lad
- Yabusame (NZ)
- Yacht Club
- Yachtie
- Yachting Magic
- Yackety Sax
- Yacki
- Yadreamin'
- Yadsemod
- Yael
- Yaelcam Magic
- Yagerbomb
- Yagli
- Yahero
- Yahiguru
- Yahilu
- Yahoo (NZ)
- Yahrab (IRE)
- Yahtzee
- Yahusha
- Yak
- Yaka Mriya
- Yakama
- Yakama Chief
- Yakapari
- Yakety Yak (NZ)
- Yakindi
- Yakka Magpie
- Yakusa
- Yakuza (NZ)
- Yakuza Moon
- Yalanji
- Yalatif
- Yalawin (IRE)
- Yalca Boom
- Yale
- Yallah Be Good
- Yallah Pearl
- Yallah Prince
- Yallah Sunrise
- Yallah Terrace
- Yallah Vista
- Yallah's Polonaise
- Yallah's Star
- Yallandah
- Yallaroi
- Yallingup
- Yaloginda
- Yalta
- Yalta (IRE)
- Yalu
- Yama Kumo
- Yama Magic
- Yamacoona
- Yamacutta
- Yamagee (NZ)
- Yamakatsu Ace (JPN)
- Yamakatsu Grace (JPN)
- Yamakatsu Marilyn
- Yamakatsu Orchid
- Yamakatsu Raiden (JPN)
- Yamaman (NZ)
- Yamanaura (NZ)
- Yamanaura (NZ)
- Yamani
- Yamanin Elfin (JPN)
- Yamanin Pharaoh (JPN)
- Yamanin Vital (NZ)
- Yamanin Whisker (JPN)
- Yamanna (NZ)
- Yamanners
- Yamano Wizard (JPN)
- Yamarjie
- Yamasaki
- Yamatai
- Yamato Nadeshiko (NZ)
- Yamavite (NZ)
- Yamazaki
- Yamba's Dream
- Yambaah
- Yambaah Gold
- Yambaah Prince
- Yambaahchino
- Yambulla
- Yambuna Bridge
- Yamemma
- Yamerton (NZ)
- Yaminan Argosy (JPN)
- Yammananna (NZ)
- Yamuna
- Yamuna (NZ)
- Yamunindi
- Yamunotri
- Yan Yan Asta
- Yan Yan Daisy
- Yanabeeaa
- Yanabeeaa (USA)
- Yanacocha
- Yancha Boy
- Yandilla
- Yandina
- Yandina Road
- Yandy
- Yangarra Rose
- Yangery Zodiac
- Yangming (NZ)
- Yangon
- Yangtse River
- Yangtze Rapids
- Yangtze Two
- Yank
- Yankalilla Bay
- Yankee Bel
- Yankee Bubbles
- Yankee Doodle
- Yankee Doodle (GB)
- Yankee Express
- Yankee Eyes
- Yankee Flyer
- Yankee Foxtrot
- Yankee Girl
- Yankee Hoedown
- Yankee Lou
- Yankee Novel
- Yankee Raider
- Yankee Roller
- Yankee Rose
- Yankee Sang
- Yankee Star
- Yankee Tango