Leopold I of Anhalt-Cöthen was a German prince born in 1620, known for his role as the ruler of the principality of Anhalt-Cöthen. He became the prince in 1650 and was notable for his efforts to promote religious tolerance and economic development in his territory. During his reign, Leopold I supported the arts and education, contributing to the cultural growth of Anhalt-Cöthen. He was also involved in various political alliances and conflicts of the time, navigating the complexities of 17th-century European politics until his death in 1685.