Aya may refer to:
- Aya, from Our Future
- Aya Akabane, from Gokujyo
- Aya Asagiri, from Magical Girl Site
- Aya Kimishima, from A Kiss for the Petals
- Aya Komichi, from Kiniro Mosaic
- Aya Maruyama, BanG Dream!
- Aya Ōsawa, from The Guy She Was Interested in Wasn't a Guy At All
- Āya Saitō, from Kuttsukiboshi
- Aya Tsuji, from JoJo's Bizarre Adventure