Ayaka Ohashi (大橋 彩香, Ōhashi Ayaka, September 13, 1994) is a Japanese voice actress and singer from Tokyo, Japan. She is affiliated with the talent agency HoriPro International. As a singer, she is signed under Lantis. Originally a child actress, she appeared in many commercials, dramas, NHK Educational TV programs, and stage productions. After participating in an audition sponsored by Horipro, She played her first main role as Fleur Blanc in the anime Eureka Seven AO in 2012.

She is known for her roles as Ran Shibuki in Aikatsu!, Sāya Yamabuki in BanG Dream!, and Uzuki Shimamura in The Idolmaster Cinderella Girls; as Sāya, she is a member of the band Poppin'Party as its drummer. She also performed theme songs for anime such as Masamune-kun's Revenge, and Knight's & Magic.