Yamagata Castle is a flatland-style Japanese castle located in the center of the city of Yamagata, eastern Yamagata Prefecture, Japan. Throughout the Edo period, Yamagata Castle was the headquarters for the daimyō of Yamagata Domain. The castle was also known as "Ka-jō" (霞城). The castle grounds are protected as a National Historic Site by the Japanese government

The castles in Top 100 Japanese Castles or 100 Fine Castles of Japan were chosen based on their significance in culture, history, and in their regions by the Japanese Castle Association in 2006.