Sayaka Sasaki (?? ??) (born June 19, 1982) is a Japanese musician from Akita Prefecture signed to Lantis.
She started her music career after winning the All-Japan Anison Grand Prix singing contest in 2009.
Since then, Sasaki has performed theme songs for various anime television series, such as The Book of Bantorra, Nichijou, Garo: The Animation, So, I Can't Play H!, and Bakuon!!, among others.