Yuko Mori (森 ゆうこ Mori Yūko, born 1956) is a Japanese politician of the Democratic Party of Japan, a member of the House of Councillors in the Diet (national legislature). A native of Niigata, Niigata and graduate of Niigata University, she was elected to the House of Councillors for the first time in 2001 after serving in the town assembly of Yokogoshi, Niigata since 1999.