Yes, Judaism, Christianity, and Islam are all monotheistic religions, meaning they all believe in one God.
* Judaism: Believes in one indivisible God, often referred to as Yahweh or Adonai.
* Christianity: Believes in one God who exists in three persons: the Father, the Son (Jesus Christ), and the Holy Spirit. This is known as the Trinity.
* Islam: Believes in one God, referred to as Allah.
While they all believe in one God, their understandings and descriptions of God differ.