- For the voice actress, see Aya Hisakawa.
Aya Yoshinaga (吉永 亜矢 Yoshinaga Aya) is a script writer for the Azumanga Daioh anime. She has written ep. 7, ep. 10 and ep. 24 (together with Ichiro Okouchi). She has also written episodes of Detective Conan, Wolf's Rain, Durarara!!, and Fullmetal Alchemist.