Kauksi Ülle (born Ülle Kahusk; September 23, 1962) is an Estonian writer.

Kauksi Ülle sees herself as a South Estonian writer who is closely connected to the customs and history of South Estonia. Therefore, according to the tradition of her homeland, she often appears under the name Kauksi Ülle. She writes consistently in Võro and is committed to reviving the language. Her work is attributed to ethnofuturism. Kauksi Ülle now lives in Obinitsa.

Kauksi Ülle grew up in the countryside in Võru County. She attended school in Rõuge and Võru. In 1986, she graduated from the University of Tartu with a degree in journalism. She then worked in the editorial department of the magazine Kultuur ja Elu, in the Tartuer Dépendance of the Estonian Writers' Union, at Võru Raadio and in the Fenno-Ugria Foundation, which she has headed since 1998.