Deva Marie Gregory is an American voice actor and stage performer based in Southern California, recognized for her work in anime dubbing, animation, and video games. Originally from Washington state, she developed an interest in performance through school plays and choir, later studying acting through programs such as South Coast Repertory's Acting Intensive and the comedy improvisation troupe The Second City. With a career spanning over a decade, she is also a classically trained singer, and her vocal range allows her to portray characters of various ages, from children to adults.

In the realm of anime, Gregory is known for her role as Manaka in the English adaptation of the Netflix original series Aggretsuko, appearing in the show's third, fourth, and fifth seasons. She also provided the voice for Alyssa Jones in the anime series ELEMON. Additional anime credits include roles in In/Spectre, where she voiced the character Black Komainu across multiple episodes, as well as minor roles in Magia Record: Puella Magi Madoka Magica Side Story and the English adaptation of Sailor Moon SuperS.

Beyond anime, Gregory has an extensive portfolio in video game voice work. She is frequently credited for her portrayal of Flayn in multiple titles from the Fire Emblem series, including Fire Emblem: Three Houses, Fire Emblem Warriors: Three Hopes, and Fire Emblem Heroes. Her other prominent game credits include Klaudia Swist in Starfield, Amanozako in Shin Megami Tensei V, additional voices in Final Fantasy VII Rebirth, and multiple roles within the World of Warcraft franchise, such as in the Legion and Battle for Azeroth expansions. She has also contributed to games like SMITE, Hearthstone, and Disgaea 6.

Gregory's voice acting extends to mainstream animation as well, having made her Marvel debut as the character Trapster on the Disney Channel series Spidey and His Amazing Friends. In addition to on-screen work, she is an active audiobook narrator, having voiced over fifteen titles across genres including children's fantasy and romantic comedy. She continues to perform in live theater, making her debut at the Chance Theater in Anaheim, California, in late 2024.