Zhao Mengjian (; 1199–1295),[1] art name Yizhai (彝齋居士), was a Chinese painter and politician from Haiyan, Zhejiang.
He was a member of the Song dynasty who attained high rank at court as a Mandarin, and became president of the Hanlin Academy, retiring when the dynasty fell. He was known for his depictions of daffodils, plum blossom, orchids and bamboo.