Muslims believe that Jesus is not God and that the concept of the Trinity is incompatible with Islamic teachings.

The Old Testament contains numerous prophecies that point to the divine nature of the Messiah. For instance, Isaiah 9:6-7 describes a child who will be born and called 'Mighty God,' indicating that the Messiah is not merely a human figure but possesses divine attributes. This title, along with others such as 'Everlasting Father' and 'Prince of Peace,' underscores the belief that the Messiah is God incarnate, fulfilling the role of a sovereign ruler over His kingdom. Furthermore, the New Testament reinforces this understanding by presenting Jesus as 'the King of kings and Lord of lords' (1 Timothy 6:15). This title, which is also attributed to God in the Old Testament, suggests that Jesus shares in the divine authority and sovereignty. The continuity between the Old and New Testament in describing Jesus as divine further strengthens the argument for His deity. Moreover, the titles and attributes ascribed to Jesus in the New Testament align with those of God in the Old Testament, demonstrating that Jesus embodies the fulfillment of the messianic prophecies. Christians believe that the nature of God as revealed in Scripture includes the concept of the Trinity, where Jesus is fully God and fully man, a mystery that transcends human understanding but is consistent with the biblical narrative.