Yu Mei-nu (; born 28 January 1955) is a Taiwanese politician and lawyer. A member of the Democratic Progressive Party, she served in the Legislative Yuan from 2012 to 2020.
Yu studied political science and law as a double major at National Taiwan University, where she earned LL.B. and LL.M. degrees. She then pursued doctoral studies in law in Germany at Goethe University Frankfurt. Yu subsequently worked as a lawyer.
Yu is a staunch supporter for the legalization of same-sex marriage in Taiwan, and known for her advocacy of women's rights.
Yu is married to Remington Huang.
In 2020 she was conferred the Ordre national du Mérite on behalf of the French President.