Ayano Hamaguchi is a Japanese voice actress born on June 14 in Yamanashi Prefecture, Japan. She is affiliated with the agency BLACK SHIP, having transferred there on April 1, 2024, after being with Mausu Promotion from 2016 to March 31, 2024. She graduated from the Voice Actor Talent Department of the Amusement Media Academy in 2014 and subsequently entered the Mausu Promotion Actor Training School to further her professional training.

Her career in voice acting began in the mid-2010s, with some of her earliest anime work including a role in Rokka: Braves of the Six Flowers in 2015. She has since built a career characterized by remarkable versatility, appearing in a wide range of major anime franchises, theatrical films, video games, and dubbing for international live-action and animated productions. Her ability to perform supporting roles with emotional depth and nuance has made her a consistent presence across many popular series.

In the realm of anime, Hamaguchi has voiced characters in several high-profile series. Her television anime credits include roles in JoJos Bizarre Adventure: Diamond is Unbreakable and JoJos Bizarre Adventure: Golden Wind, Detective Conan, Kingdom, Chainsaw Man, Dororo, and The Idaten Deities Know Only Peace. She also had a role as a young woman in the series Angels of Death. In the Netflix series Japan Sinks: 2020, she voiced the role of a mother. Her work in anime films includes providing the voice for Shoyas older sister in the acclaimed movie A Silent Voice and contributing additional voices to Josee, the Tiger and the Fish. As the user specified, she played the role of the Female Conductor in the series My Daemon and the role of Tsurugi Chubu in the series Zunda Horizon.

Beyond Japanese animation, Hamaguchi has an extensive career in foreign language dubbing. She has provided the Japanese dub voices for numerous characters in Hollywood films and popular television series. Notable film dubbing roles include Elena in Charlies Angels, Akemi in Yakuza Princess, and a role in The Grudge. In television, she has dubbed characters such as Jessica Davis in 13 Reasons Why, Kim Burgess in Chicago P.D., Hannah Shoenfeld in The Morning Show, and Yasmin Khan in Doctor Who Season 11. Her dubbing work also extends to animated series, where she has voiced characters like Cleo Graves in Super Monsters and JJ in Q-Force.

Her voice can also be heard in the video game industry. She has contributed to major titles such as The Last of Us Part II, Final Fantasy VII Rebirth, and Monster Hunter Wilds. Her earlier game credits include roles in Tactics Ogre: Reborn, Fairy Fencer F, and the mobile games Castle & Dragon and Sengoku Hime Tan: MURAMASA. Hamaguchis career reflects a steady progression and a reputation for professionalism, flexibility, and the ability to bring a unique and subtle touch to each character she portrays, whether in a leading role or supporting capacity.