Mei Hanamori is a Japanese voice actress whose professional work is primarily within anime, particularly in productions that feature mature themes. She is also credited under the name Hanamori Mei, as well as the kanji representations 花杜めい and はなもり めい. Her stage name is noted as a pseudonym used for voice acting in R-18 content.

Her career as a voice actor is documented from 2019 onwards. One of her early roles includes Hayami Yuuki in the 2019 series Aibeya The Animation. She subsequently voiced Kotomi Takano in Torokase Orgasm The Animation in 2021 and Chloe Lilistera in Boku wa Chiisana Succubus no Shimobe in 2022. In 2023, she took on the role of Anvil in Goblin no Suana.

Mei Hanamori is recognized for her role as Lily Philips in the 2024 anime series The Perfect Prince Loves Me, the Side Character?!. The series, also known as Ateuma Chara no Kuse Shite, Spadali Ōji ni Chōai Sarete Imasu., is an adaptation of a manga by Ao Yūki. Her character, Lily Philips, is described as the heroine of the novel within the story and is referred to as the Holy Bride. The anime premiered in early 2024, with Mei Hanamori confirmed as part of the main voice cast alongside actors such as Santa Hiiragi and Haru Danji. Her upcoming work includes the role of Saint Lime (Sakurai Hina) in the 2025 series Seihou Shouka Saint Lime.

Information regarding recurring collaborations with specific directors, studios, or other voice actors, as well as notable industry awards or achievements, is not documented in available sources.