Sayaka Aoki (あおき さやか Aoki Sayaka, October 19, 1972) is a Japanese voice actress and is affiliated with Bell Production management. She is originally from Akita Prefecture. She sometimes uses Shizuka Aoki (青木 静香 Aoki Shizuka) for stage performances.
She has a very high voice which and generally performs characters such as the title role in Coji-Coji, but is well known for her portrayals of Lolita-style characters and heroines featured in Bishōjo games and in anime video games.