Nana Hamasaki is a Japanese voice actress and singer affiliated with the agency I'm Enterprise. She was born in Tokyo on September 6, 1991, and was raised in Kobe in Hyogo Prefecture. After training at the Japan Narration Acting Institute, she joined I'm Enterprise in 2011, marking the start of her professional career.

Hamasaki has built a career with a wide variety of voice roles in anime television series, films, and video games. One of her most recognized performances is as Kaya in the final season of the anime Attack on Titan, a role that involves significant emotional depth as the young girl who survives a Titan attack and later confronts complex feelings of loss and forgiveness. She is also known for voicing Sakura Yooka in the surfing-themed multimedia project WAVE!! -Let's go surfing!!-. In a different vein, she provided the Japanese voice for the vampire character Draculaura in the 2014 original net animation Monster High: Kowa-ike Girls, an adaptation of the popular doll franchise.

A significant and recurring role in her career is as the idol Noriko Fukuda in the long-running The Idolmaster franchise, specifically in The Idolmaster Million Live! series. This role has been a major part of her professional life, involving not only voice work for the anime and games but also live concert performances and CD recordings, where she has been praised for her singing ability and stage presence. Her other notable anime credits include Koharu in Witch Craft Works, Mana in My Love Story!!, and various supporting roles in series such as The Irregular at Magic High School and Citrus.

Beyond anime, Hamasaki has lent her voice to foreign language dubs, including the Disney Channel series Andi Mack and the British drama Sex Education. She has also appeared in stage plays, such as Shark End, demonstrating her versatility as a performer. Her work in video games and other media further showcases her range as a voice artist.