Ryo Yasumura (康村 諒, Yasumura Ryō, born February 17, 1956) is a Japanese animation director, storyboard artist, and producer. He was born in Gifu City, Gifu Prefecture. He is a member of the Directors Guild of Japan. He uses the alais Ryo Saga (沙賀諒, Saga Ryō) for his adult work. He used the name Masakazu Yasumura (康村 正一, Yasumura Masakazu) in for his work until 1986.