Duke Frederick of Carinthia was a nobleman who ruled in the late 13th century. He belonged to the House of Sponheim and was known for his efforts to strengthen his duchy in the region of Carinthia, located in present-day Austria and Slovenia. His reign was marked by political maneuvering and alliances with other noble families. Frederick's rule was significant in the context of the Holy Roman Empire, as he navigated the complexities of feudal politics. He was involved in various conflicts and negotiations that shaped the power dynamics of his time, contributing to the historical landscape of Central Europe.