Yun Du-seo (Korean: 윤두서; Hanja: 尹斗緖; 28 July 1668 – 21 December 1715) was a painter and scholar of the Joseon period.

He is the grandson of Yun Seondo, a great scholar in Korean history.

He passed the gwageo exam, but did not enter government service.

Yun Du-seo is also known for his yeongmohwa (animal-and-bird painting).

He was a member of the Haenam Yun clan (해남 윤씨; 海南 尹氏).