Nina Tamaki is a Japanese voice actress and singer from Okinawa Prefecture, born on February 29, 1996. She is affiliated with the talent agency Just Pro. Tamaki is a graduate of Voice Lab Tokyo, a training school for voice actors.

Tamaki's debut role came in 2017 when she was cast as Maru Niko in the television anime series Love Kome. A significant early role was providing the voice for a young Aichi Sendou in the long-running Cardfight!! Vanguard series, a role she performed across multiple seasons from 2018 to 2020.

In 2021, Tamaki was cast in two notable main roles. She voiced the character of Nina Yamada in the television anime Blue Reflection Ray. That same year, she was announced as the voice of the protagonist, Matthias Hildesheimer, in the fantasy series The Strongest Sage With the Weakest Crest, which aired in 2022. Her role as Matthias, a powerful sage reincarnated into a new body, is one of her most prominent performances to date.

Beyond these major roles, Tamaki has built a diverse portfolio of voice work across anime, video games, and dubbing. Her anime credits include appearances in Dropkick on My Devil!, PuraOre! Pride of Orange, The Reign of the Seven Spellblades, and an upcoming role in Backstabbed in a Backwater Dungeon. In video games, she has lent her voice to titles such as Kotodaman, Final Gear, and Shadowverse. She has also participated in dubbing foreign series, such as the role of Stomp in Chip and Potato.

Tamaki is also active as a singer, having performed character songs for series like Love Kome and releasing an independent single in 2018 titled Nijiyome-chan Hamigami Keikaku. Her hobbies include playing the shamisen, a traditional Japanese stringed instrument, playing volleyball, and studying the Korean language.