Shin Youngsook (申榮淑, born November 26, 1975) is a South Korean musical theatre actress.

She began singing as a child, and played instruments such as piano, acoustic guitar, accordion, and harmonica.

After university graduation, Shin prepared to study her major abroad and auditioned for The Last Empress by chance.

Shin appeared as the major characters of musicals such as Grizabella in Cats', Baroness Waldstatten in Mozart!, Gertrude in Hamlet, Madame Therese Defarge in A Tale of Two Cities, Mrs. Danvers in Rebecca, Empress Myeongseong in The Last Empress and Donna in Mamma Mia!.

[1][2] When she sang the musical number 'Gold von den Sternen (Gold star)' in Mozart!