The Bishop of Noyon is a historical title held by the leader of the Roman Catholic Diocese of Noyon, located in northern France. This diocese has roots dating back to the early Christian church and has played a significant role in the religious and political landscape of the region. The bishop oversees the spiritual and administrative functions of the diocese, which includes various parishes and communities. Throughout history, the position of Bishop of Noyon has been influential, with several bishops also serving as important figures in the broader context of the Catholic Church and French history. Notably, the diocese was associated with the famous theologian and reformer John Calvin during the Protestant Reformation.