Shoko Aida (相田 翔子, Aida Shōko, born 23 February 1970) is a Japanese singer and actress. She was a member of the J-pop duo Wink, after which she became a solo artist.

Aida was born on 23 February 1970, in Higashimurayama, Tokyo. She debuted as a member of the J-pop duo Wink.

She began working as a solo artist on 1 April 1996, one month after Wink dissolved. She collaborated with Kaori Iida from Morning Musume for one DVD and one photobook in 2004.

She got married in 2008 and, in 2012, she gave birth to her first child, a girl.