Yah may refer to:
- Jah, shortened form of the divine name YHWH(also spelled Jehovah or Yahweh)
- Yah, shortened form of "Yahweh" (also given as "Jehovah" in English), one of the names of God in Judaism
- YAH, The IATA code for La Grande-4 Airport in northern Quebec, Canada
- Yazgulyam language, by ISO 639 code