Aya Hisakawa (久川綾), born November 12, 1968, in Kaizuka, Osaka, Japan, is a voice actress who played Ami Mizuno/Sailor Mercury in the Sailor Moon anime. Her other anime roles include Skuld in Oh! My Goddess, Kero-chan in Card Captor Sakura, Youko Nakajima in Twelve Kingdoms, Miki Kaoru in Revolutionary Girl Utena, Yuki Sohma in Fruits Basket, Chloe in Noir, Minamo "Nyamo" Kurosawa in Azumanga Daioh, Priscilla in Claymore, Claudia McCunnen in Phantom ~Requiem for the Phantom~, and Yuri Tsukikage/Cure Moonlight in Heartcatch Pretty Cure!. She is also the Japanese voice of Xianghua Chai in the first three Soul Calibur games, and a vocalist with a number of anime and solo albums.
- She was assigned to play the voice of Usagi Tsukino/Sailor Moon during the first audition for the Sailor Moon anime.