Nia Celeste is an American voice actor based in the Dallas-Fort Worth area who works primarily in anime dubbing for productions distributed by Crunchyroll. Her career in voice acting began after years of involvement in the cosplay community, where she participated in dance groups and performed at conventions. As her voiceover work became more frequent, she made the decision to focus entirely on acting, stepping back from her dance and cosplay activities. Growing up watching anime, she has described working as a voice actor in the industry as a fulfilling experience.

Celeste has amassed an extensive list of anime voice roles. She voices Chiya Hazuki in Tsukimichi Moonlit Fantasy and provides the voice for Ururu Fleur in The Wrong Way to Use Healing Magic. In the series Failure Frame, she plays Kobato Kashima, and in I Was Reincarnated as the 7th Prince, she voices Ren. Her role as Lily appears in The Brilliant Healer's New Life in the Shadows, and she portrays Sylphyryll in A Journey Through Another World: Raising Kids While Adventuring. She voices Takahashi in Demon Lord 2099 and takes on the role of Mimi Supreme Kai in Dragon Ball Daima. In Vampire Dormitory, she plays Mito Yamamoto. Additional roles include Teresa Carste in Reign of the Seven Spellblades, Mai in Our Last Crusade or the Rise of a New World, Lulu in Dead Mount Death Play, Liz in The Foolish Angel Dances with the Devil, and Rirui in An Adventurer's Daily Grind at Age 29. She also provided a voice for a female association member in Solo Leveling and voiced Edel in Frieren Beyond Journeys End. Other credits include Tetra in Sacrificial Princess and the King of Beasts, Pondeli in Ive Been Killing Slimes for 300 Years, Yoko Okino in Case Closed, and roles in Rent-A-Girlfriend, Ameku M.D. Doctor Detective, Honey Lemon Soda, The Water Magician, and Clevatess.

Within the voice acting industry, Celeste has collaborated frequently with actor Gerard Caster, having worked together on eight titles. She has worked with over 440 other voice actors throughout her career. Her body of work includes English dubbing for Japanese anime, as well as work on donghua and aeni productions such as To Be Hero X and True Beauty.