Aya Yamane is a Japanese voice actress and singer affiliated with the agency Aoni Production. She was born on February 4, 1997, in Kanagawa Prefecture, Japan. Yamane is of mixed heritage, with her father being of Japanese-Chinese descent and her mother being Chinese.

Yamane's path to becoming a voice actor was influenced by her childhood experiences. She has shared that she experienced bullying from elementary school through her second year of junior high and found solace in the world of anime. Encouraged by her sister, she developed a strong interest in pursuing voice acting professionally. She graduated from the Amusement Media Academy, a vocational school for entertainment, and began her career in 2015. Her debut in front of the camera was a live-action role in the 2015 film Jinro Game: Crazy Fox, where she played Anna Sumida.

Yamane is known for her versatile and expressive voice, often being cast in lively "gyaru" (gal) style roles, which contrasts with her own calm and composed personal demeanor. Her nickname is Yaya, derived from the repetition of the "ya" sound in her name. Beyond acting, her talents include singing and dancing, which she largely taught herself by watching videos, inspired by anime like The Melancholy of Haruhi Suzumiya. She also enjoys cooking, playing the guitar, and has a passion for K-Pop music.

Since 2020, Yamane has accumulated a wide array of major and supporting roles in anime series. The following are some of her key performances, including those specified:
Ruhuyu in Show By Rock!! Mashumairesh!! (2020) and Show By Rock!! Stars!! (2021). This role as a member of the in-universe band Mashumairesh!! marked her first main character and involved musical performances.
Shisel in Magatsu Wahrheit -Zuerst- (2020).
Real Rei in the net anime Kaiju Decode (2021).
Daitaku Helios in Uma Musume Pretty Derby Season 2 (2021) and subsequent series. She also reprised this role in the mobile game and a stage play.
Sui Yamada in World's End Harem (2022).
Benisumomo in In the Heart of Kunoichi Tsubaki (2022).
Flare (Freya) Chocolate in the Sylvanian Families franchise, including Sylvanian Families: Flare no Happy Diary (2022), Sylvanian Families Freya no Go for Dream! (2023), and Sylvanian Families Freya no Piece of Secret (2024).
Cathy in Sugar Apple Fairy Tale (2023).
Misao Makimachi in Rurouni Kenshin Meiji Kenkaku Romantan: Kyoto Dōran (2023-2024). Yamane has expressed particular joy in landing this role, as the original Rurouni Kenshin is one of her favorite anime.
Krall (Kururu) in 'Tis Time for "Torture," Princess (2024).
Hobsei in Re:Monster (2024).

In addition to these, Yamane has landed other significant roles, such as Mikoto Aketa in The Idolmaster Shiny Colors, a major franchise she successfully auditioned for after previous attempts, Riho Tsukishima in The Café Terrace and Its Goddesses, and Liliana Masquerade in Re:Zero - Starting Life in Another World.

Yamane is also recognized for her recurring collaborations, particularly her musical work. In 2018, she became a member of the seven-voice actor singing group Kleissis, formed in conjunction with the game Arca Last. She also frequently works closely with fellow voice actors Miyu Tomita and Yuki Tanaka. She and Tomita, whom she considers her soulmate, co-host a program called Yaya to Tomi.

Among her notable achievements, Yamane won the AMG Entertainment Award during her time at Amusement Media Academy. Her career has been marked by a steady rise from minor roles to high-profile casts in popular long-running and new series. In April 2024, she expanded her artistic endeavors by making her solo artist debut with the EP Seishun no Kanashimi, for which she wrote and composed the music.