Wakana Aoi is a Japanese actress and voice actor known for her role as Geraldine Bernstein in the anime series GJ Club. Born on June 30, 1998, in Kanagawa Prefecture, Japan, she began her entertainment career after being scouted in Harajuku during her fifth year of elementary school. She made her debut in a commercial for FamilyMart in July 2009.

Aoi's career initially progressed in live-action television and film, with her first drama role shortly after her debut. From December 2012 to July 2014, she was a member of the idol group Otome Shinto, leaving the group to concentrate on her acting career.

Her work as a voice actor is limited but includes the role of Geraldine Bernstein, a quiet girl who communicates through a whiteboard, in the 2013 television anime series GJ Club. She reprised this role for the 2014 special, GJ-bu@. Outside of this role, no other voice acting credits or recurring collaborations with specific directors or studios are documented in available sources.

While her voice acting credits are few, Aoi has maintained an active career as a live-action actress. Her filmography includes roles in numerous television dramas and films, such as the 2017 film Survival Family and the 2023 drama Sanzen Yen no Tsukaikata. Aoi is affiliated with the talent agency Stardust Promotion.