Gai Qi, courtesy name Bowen 伯蕰, art names Qiliang 七郎 and Yuhu Waishi 玉壶外史, was a poet and painter born in western China during the Qing dynasty. As an artist, he was active in Shanghai. In painting his works mainly concerned plants, beauty, and figures. However he also did numerous landscapes. In poetry he preferred the rhyming ci form and added such poems to his paintings.
His social circle included prominent literati as well as artists. He organized both a literary society and a Buddhist lay society. His work often used a delicate baimiao style, which can be clearly see in his illustrations for Dream of the Red Chamber. The illustrations are chiefly portraits of the main characters in the novel. Numerous poets, including the renowned woman poet Zhou Qi, wrote poems to accompany the illustrations.
The scholar Wang Qisun 王岂孙 commissioned Gai Qi to paint an album of famous Chinese women, both historical and legendary. Wang's second wife, Cao Zhenxiu wrote poems about the women and did the calligraphy in the album.
Gai took as a student the talented woman painter and poet Qian Shoupu 錢守璞.
He was associated with the painter Fei Danxu in what has been called the "Gai Fei" school.