Jason Simon is an American voice actor known for his work in anime dubbing, particularly within the Mobile Suit Gundam franchise. Based in New York City, his career spans over two decades and includes voice-over work for animation and video games, as well as performances in theater, television, and film.

Simon has established a recurring presence in the Gundam universe through his voice roles. He is notably recognized for voicing the character Johann Ibrahim Revil in multiple installments. His credits for this role include the OVA series Mobile Suit Gundam: The Origin (2015-2018) and its television compilation, Mobile Suit Gundam: The Origin: Advent of the Red Comet (2019). He reprised the role of Johann Ibrahim Revil for the 2022 animated film Mobile Suit Gundam: Cucuruz Doan's Island, in which he also provided the voice for the character Gopp.

Beyond his notable work in the Gundam series, his voice acting filmography includes a variety of other roles in dubbed animation. He voiced the character Anzu in the 2024 anime film Ghost Cat Anzu. Additional anime credits include roles in the series Fena: Pirate Princess (2021) and the film Lu Over the Wall (2017). His work also extends to Western animation, such as a role in the series Lastman (2016), and video games, including Earth Defense Force: Iron Rain (2019). Simon's vocal range allows him to perform characters of various ages, from young adult to senior, and he is proficient in a wide array of accents and dialects. His broader acting career includes appearances in over 70 theatrical productions, as well as roles in television and film.