Gu An (simplified Chinese: 顾安; traditional Chinese: 顧安; pinyin: Gù Ān; Wade–Giles: Ku An; (ca. 1289–after 1365), style name as Dingzhi (定之), pseudonym as Yuna Jushi (迂那居士), was a famed Chinese painter in the Yuan Dynasty.

Gu An as born in Huaidong (淮東 - present day Kunshan in Jiangsu Province). He excelled in bamboo painting, particularly bamboo waving in the breeze.^[1]

• Ci hai bian ji wei yuan hui (辞海编辑委员会). Ci hai (辞海). Shanghai: Shanghai ci shu chu ban she (上海辞书出版社), 1979.