Aya Hisakawa (born November 12, 1968) is a seiyu and J-pop singer born in Kaizuka, Osaka. In addition to releasing various solo CDs, she is well known for her anime voice roles, and has also done some work in video games. She is best known for her role of Sailor Mercury of the Sailor Moon fame and also Cerberus from Cardcaptor Sakura. She performs some of her roles in her native Kansai-ben. Hisakawa is currently affiliated with Aoni Production.