Hana Tamegai (Japanese: 集貝 はな, Hepburn: Tamegai Hana; born 20 September 1997) is a Japanese voice actress and singer affiliated with Asleben. She is known for portraying Misha in Kemono Michi: Rise Up, Risa Matoba in The Idolmaster Cinderella Girls, and Tsumugi Tsutsumi in Studio Apartment, Good Lighting, Angel Included.

Hana Tamegai, a native of Tokyo, was born on 20 September 1997. She decided to pursue a career in acting after, as an elementary school student, she spent time acting for a local children's theatre troupe. In 2014, while studying as a second-year high school student, she was one of the nineteen domestic winners of the voice acting category at the 3rd Seiyū Damashī [ja] contest. She was part of the Atomic Monkey/Voice Acting and Acting Institute's twelfth graduating class and joined Atomic Monkey.

She voices Risa Matoba in The Idolmaster Cinderella Girls, a sub-franchise in The Idolmaster franchise. Since then, she has performed as a singer on several Idolmaster music releases, including the 2020 single "The Idolmaster Cinderella Starlight Master for the Next! 08: Kagayake! Beat Shooter" (which charted at #4 in the Oricon Singles Chart) and the 2021 single "The Idolmaster Cinderella Girls Little Stars Extra: Kimi no Stage Ishō, Hontō wa..." (which charted at #7 in the Oricon Singles Chart). She reprised her role in the 2023 anime adaptation of The Idolmaster Cinderella Girls U149.

In September 2019, she was cast as Misha in Kemono Michi: Rise Up. In December 2023, she was cast as Tsumugi Tsutsumi in Studio Apartment, Good Lighting, Angel Included.

She left Atomic Monkey on July 31, 2025, and joined Asleben on August 1.