Count William IV of Montferrat was a nobleman who ruled the region of Montferrat in northern Italy during the late 14th century. He was part of the Piedmont nobility and played a significant role in the political landscape of the time, navigating alliances and conflicts among various regional powers. William IV was known for his efforts to strengthen his territory and maintain its independence. His reign was marked by challenges, including rivalries with neighboring states and internal disputes. Despite these difficulties, he is remembered for his contributions to the development of Montferrat and its cultural heritage.