Definition that contains yah
- tetragrammaton four Hebrew letters usually transliterated as YHWH (Yahweh) or JHVH (Jehovah) signifying the Hebrew name for God which the Jews regarded as too holy to pronounce
- yahi the Yanan language spoken by the Yahi
- houyhnhnms a land imagined by Jonathan Swift where intelligent horses ruled the Yahoos
- mujahedeen kompak a militant Islamic militia that was formed in 2005 by hardliners who split from Jemaah Islamiyah
- houyhnhnm one of a race of intelligent horses who ruled the Yahoos in a novel by Jonathan Swift