Bayt (بيت, בית) is the Arabic and Hebrew word for house, deriving from a common Semitic root that also gave rise to the name of the letter Bet.
It appears in several names, such as:
- Ahl al-Bayt, the People of the House (or family), referring to the household of Muhammad or to all pious Muslims
- Bayt al-Hikmah, the House of Wisdom, an Abbasid-era library in Baghdad
- Bayt Lahm, the Arabic name for Bethlehem
- BAYT, Beth Avraham Yoseph of Toronto, an Orthodox synagogue in Thornhill, Ontario, Canada.
- Bayt can refer to a verse of classical Hebrew, Arabic, Persian, Turkic or Urdu poetry