Adah is the name of two women in the Book of Genesis.
- The first of Lamech's two wives, and the mother of Jabal and Jubal (Gen. 4:19, 20, 23).
- The first of Esau's three wives, the daughter of Elon the Hittite (Gen. 36:2,4), called also Bashemath (26:34). She was the mother of Eliphaz, Esau's firstborn, and the ancestress of the Edomites.
