Ko Yu-chin (; born 1939) is a Taiwanese politician.
Ko studied law at Soochow University before attending the Institute of Revolutionary Practice. She worked for Chunghwa Post and served as secretary-general of the Republic of China Postal Workers' Union before moving to the Chinese Federation of Labor, as its executive director.[1] Ko was appointed to the Legislative Yuan as a representative of laborers affiliated with the Kuomintang. After functional constituencies were phased out, Ko was reelected to the Legislative Yuan in 1992 and 1995 via the Kuomintang party list.[1] [2] She subsequently served as general secretary of the Chinese Association for Relief and Ensuing Services,[3] [4] and later became its honorary chairman.[5]