Miya Serizono is a Japanese voice actress who primarily works in adult animation and video games. She is a freelancer, meaning she is not affiliated with a specific talent agency. Serizono is also known by her real name, Hiroka Nishizawa, and has worked under several other stage names, including Kagami Haruka and Sakaki Haruno.

Her career is extensive, with numerous roles in original video animation (OVA) series and PC games. Serizono has voiced characters in many notable adult anime series. Examples of her OVA roles include Chitose Yukino in Hitō Meguri Kakure Yu, Honami Kasuga in Mofuku Tsuma, Kanami Shiomiya in After... The Animation, Takane Hiiragi in Nee, Chanto Shiyō yo!, and Ruri Nonomura in Discipline: The Hentai Academy. Her portfolio also includes roles in Magical Kanan as Miyuri Suzuhara, The Immorals as Emiri Kasai, Younger Sister Juice as Yuki, Ryōjoku Guerrilla Kari 3 as Giselle, The Wife is Micael as Mika Amano, Sora no Iro, Mizu no Iro as Asa Mizushima, and Renzu as Miho.

In addition to animation, Serizono has contributed her voice to a wide range of adult video games. A recurring role in her career is that of Rinrin (Chōhi Yokutoku) in the Koihime Musō series of games and anime adaptations.