You (Yū, born August 29, 1964 as 江原由希子 Ehara Yukiko) is a Japanese model, television personality, singer and actress.
She began her career as a singer, releasing her first single "chotto dake" ("just a little") in 1985. She next formed the Japanese pop group Fairchild in 1988, with Seiji Toda and Hirokazu Kawaguchi, serving as vocalist and songwriter. In 1990, she secured a regular spot on the comedy duo Downtown's weekly Thursday night radio show MBS Youngtown. She next accepted a regular role on Downtown's television show, Downtown no Gottsu Ee Kanji. With the shift in her career focus from singing to television, the band Fairchild broke up in 1993.
While continuing as a regular on various television and radio shows, she has authored two books, appeared in a number of films, and is a regular contributor (and occasional cover girl) for the fashion magazine, In Red. She was nominated for the Best Supporting Actress award at the 2005 Japanese Academy Awards for her performance as the absent mother in Nobody Knows.