20.2 Differences Between Islam and Judaism

Although Islam and Judaism share many similarities, they are still two distinct religions with major theological differences. Both emphasize one God, prophecy, religious law, and moral obedience, but they disagree about covenant, scripture, Muhammad, and the final meaning of God’s revelation.

One of the biggest differences is how each religion understands covenant identity. Judaism is centered on God’s covenant with the people of Israel. Jewish identity is connected to a specific people, history, land, law, and covenant tradition. This does not mean Judaism has no universal moral vision, but it does mean Judaism is not only a set of beliefs someone accepts. It is also the story of a people chosen for a particular covenant relationship with God.

Islam, by contrast, presents itself as a universal religion for all humanity. A person does not need to belong to a specific ethnic people or covenant nation to become Muslim. In Islam, anyone can enter the community of believers by confessing the shahada, the testimony that there is no god but God and that Muhammad is the messenger of God. This gives Islam a more explicitly universal religious structure.

Another major difference is Muhammad. Judaism does not accept Muhammad as a prophet. Islam teaches that Muhammad is the final prophet, sent to confirm the truth of earlier prophets and deliver the final revelation through the Qur’an. This is one of the clearest dividing lines between the two religions. Islam honors many figures from Jewish scripture, including Abraham, Moses, David, and Solomon, but Judaism does not recognize Muhammad or the Qur’an as part of divine revelation.

The two religions also differ in their understanding of scripture. Judaism centers on the Hebrew Bible, especially the Torah. Jewish religious interpretation also developed through rabbinic tradition, including the Mishnah, Talmud, and later legal commentary. These texts and traditions shaped Jewish worship, law, ethics, and community life.

Islam centers on the Qur’an as the final and preserved revelation from God. Muslims also look to the Hadith and Sunnah, the reports and example of Muhammad, as essential guides for belief and practice. While Judaism and Islam both value scripture and interpretation, they do not recognize the same final authority. Judaism does not accept the Qur’an as scripture, while Islam teaches that the Qur’an is the final revelation that confirms and corrects previous messages.

This leads to another important difference: the Islamic view of earlier scripture. Islam generally teaches that God gave earlier revelations, including the Torah, but that the Qur’an is the final and most complete revelation. Many Muslims believe earlier scriptures were either misunderstood, altered, or not preserved in their complete original form. Judaism, however, does not accept the Islamic claim that the Qur’an corrects the Torah or completes Jewish revelation.

The two religions also differ in how their legal traditions developed. Judaism developed halakhah, Jewish law, through the Torah and rabbinic interpretation. Islam developed Sharia and fiqh through the Qur’an, Hadith, legal reasoning, and the work of Islamic scholars. Both traditions are law-centered, but their sources, authorities, and interpretive methods are different. Rabbis and Islamic scholars may both interpret religious law, but they do not function within the same religious system.

Another difference concerns the Messiah. Judaism generally expects a future messianic age or messianic figure, though Jewish traditions differ in how they explain this. Islam accepts Jesus as the Messiah, but not in the Christian sense. In Islam, Jesus is a prophet and servant of God, not divine. Islam also teaches that Jesus has a role in the end times, but Muhammad remains the final prophet.

There is also a difference in religious belonging. Judaism can be both a religious and ethnic identity. A person may be Jewish by birth, culture, ancestry, religion, or conversion, depending on the context and Jewish tradition involved. Islam is primarily a religious identity. Muslims come from many ethnic backgrounds, and becoming Muslim is based on religious confession and submission to God.

In summary, Islam and Judaism are close in their rejection of idolatry and their emphasis on divine law, but they part ways over some of the most important questions in religion. Judaism is centered on God’s covenant with Israel and the authority of the Torah. Islam is centered on universal submission to God, the prophethood of Muhammad, and the Qur’an as final revelation.

In section 20.3, we will look at some of the similarities between Islam and Christianity.