The answer to this question is complex and depends on how you define "believe."
- From a Christian perspective, Jesus is considered the Son of God, and God is a singular entity. Christians believe that Jesus is the Messiah, fulfilling Old Testament prophecies and offering salvation.
- From an Islamic perspective, Allah is the one and only God, and there is no deity besides Him. Islam does not recognize Jesus as the Son of God but acknowledges him as a prophet, alongside figures like Moses and Muhammad.
Therefore, Jesus would not "believe" in Allah as Muslims understand the term. His understanding of God, as a Christian, would be different from the Islamic understanding of Allah.
It's important to note that the concept of God is a matter of faith and personal belief. While different religions have varying perspectives, it's crucial to approach these topics with respect and understanding.