Yūki Uchida (内田有紀, Uchida Yūki) (born November 16, 1975) is a Japanese actress and former idol singer. Following her debut in the drama Sono Toki, Heart wa Nusumareta (1992), she received her first lead role in the 1994 drama adaption of The Girl Who Leapt Through Time.

Uchida became a popular teen idol and began a short-lived music career with the single "Tenca wo Torou! (Uchida no Yabou)", which made her the first female singer in Oricon history to have their first single debut at the summit. Uchida made her film debut starring in the 1995 adaption of Boys Over Flowers. By the late-1990s, Uchida began to shed her idol image and concentrated on her television career.

Uchida is best known as a character actress, recognized for her roles in Bambino! (2007) and Doctor-X: Surgeon Michiko Daimon, which ran for seven seasons starting in 2012. She returned to the silver screen after ten years with Welcome to the Quiet Room (2010), earning praise for her performance.