Mari Devon is an American retired voice actress known for her extensive work in English-language dubs of anime series and films. Born on October 10, 1959, she began her career in the early 1980s and was active until approximately 2020. She is also occasionally credited under the pseudonym Jane Alan.

Devon's career is marked by a significant number of prominent roles in anime produced during the 1990s and 2000s. She is perhaps best known for her multiple roles within the Digimon franchise, providing the voices of Togemon in Digimon Adventure and Digimon Adventure 02, and Renamon in Digimon Tamers. She later reprised her role as Togemon in the Digimon Adventure tri. film series. Other major anime roles include Haruka Urashima in the Love Hina series, Takani Megumi in Rurouni Kenshin, Presea in Magic Knight Rayearth, and Maria Tachibana in Sakura Wars: The Movie. In addition to these, her filmography includes a wide array of characters in series such as The Adventures of Mini-Goddess as Marller, Vandread as Gascogne, and El Hazard: The Wanderers as the Demon God Ifurita.

Among her many roles are the three examples that highlight the breadth of her work. In the series Kanokon: The Girl Who Cried Fox, she voiced the character Tamamo. In the Tenchi Muyo! franchise, specifically Tenchi Muyo! Ryo Ohki: Final Confrontations, she provided the voice for the character Tokimi. She also served as the Narrator for the English adaptation of The Adventures of Hutch the Honeybee.

Beyond anime, Devon's career included voice work in Western animation, most notably as the recurring character Summer Gleeson in Batman: The Animated Series. She also lent her voice to various video games and films, including the English dub of the Studio Ghibli film Howl's Moving Castle, where she played Honey, and Stand by Me Doraemon, in which she reprised her role from the Doraemon TV series as the mother, Tamako Nobi. Her work was characterized by a frequent collaboration with the pool of voice actors working for Los Angeles-based dubbing studios at the time. Devon's contributions to English-dubbed anime have made her a recognized figure among fans of the genre from that era.