Ota Ayaka (太田彩夏) is a Japanese pop singer and idol managed by AKS. She is currently a member of SKE48 Team KII.
- Name: Ota Ayaka (太田彩夏)
- Nickname: Ayamero (あやめろ)
- Birthdate: August 17, 2000
- Birthplace: Gifu, Japan
- Blood Type: B
- Height: 150cm
- Bands / Groups:
SKE48 Song Participation
- SKE48 Kenkyuusei "PARTY ga Hajimaru yo"
- SKE48 Team S 6th Stage "Kasaneta Ashiato"
- SKE48 Team KII 6th Stage "0start"
AKB48 Song Participation
- Originally a 7th generation member of SKE48 Kenkyuusei, she was promoted to Team KII on November 20, 2016. After Oba Mina's graduation in April 2022, Ota became leader with Aoki Rika as sub-leader.
- Special Talent: Soft tennis, calligraphy
- Hobbies: Karaoke, watching movies
- Favorite food: Cake, strawberry
- Favorite SKE48 member: Kitagawa Ryoha
- Wants to become a model.
- Part of the unofficial Team Heart, with Obata Yuna and Sugiyama Aika. As told by Sugiyama, this is due to her catchphrase, "I will play a melody (in your heart)."