Ellen Li Shu-pui CBE JP (Chinese: 李樹培夫人; born Ts'o Sau-kuan; 22 July 1908 – 2 June 2005) was a politician in Hong Kong.

She was educated at the St. Stephen's Girls' College and was among the first women to study business administration at the University of Shanghai.

She also encouraged and extended the activities of the Young Women's Christian Association, repeatedly serving as president.

She was instrumental in passing the 1971 Marriage (Amendment) Bill, which abolished the polygamy by virtue of the Great Qing Legal Code.

One of her children is Dr Walton Li Wai-tat, who went on to become superintendent of the University of Hong Kong.