Jonathan Fahn is an American voice actor known for his extensive work in anime dubbing, video games, and animated series. He was born on April 12, 1965, in the Queens borough of New York City. He is part of a large family of voice actors, with his brothers Tom Fahn and Mike Fahn, and sister Melissa Fahn also working in the industry. He is married to Jennie Fahn, and his sister-in-law is voice actress Dorothy Elias-Fahn. Fahn pursued higher education at California State University, Long Beach.

Fahn's career in anime voice acting spans several decades, during which he has lent his voice to a wide array of characters in prominent series. He is recognized for his role as Jean Jacques Serrault in the series Forest of Piano. Among his most notable and long-running roles is Shikaku Nara, the father of Shikamaru, in the globally popular Naruto and Naruto Shippuden series. He also voiced the character in several related video games, such as the Naruto Shippuden: Ultimate Ninja Storm series.

His other significant anime credits include Hibiki Kanzaki in The Super Dimension Fortress Macross II: Lovers, Again, and he provided the voice for the lead character Yusuke Urameshi in the Media Blasters dub of the Yu Yu Hakusho movie. In Trigun, he voiced the character Hoppered the Gauntlet, and he had a role in Cowboy Bebop as Miles. His filmography also includes performances in Hunter x Hunter, Ghost in the Shell: Stand Alone Complex, Rurouni Kenshin, and Zatch Bell!.

Beyond his work in front of the microphone, Jonathan Fahn has also contributed to the industry in other creative capacities. He has worked as an ADR script writer for anime series such as The Super Dimension Century Orguss and Orguss 02, and has taken on directing and producing roles for live-action projects. His career demonstrates a long-standing commitment to voice acting, with recurring roles across major franchises that have made him a familiar presence to English-speaking anime audiences.