Jacob Eiseman is an American voice actor born on July 22, 1994, in Virginia Beach, Virginia. Based in Texas, he is primarily known for his work in English dubs of anime series. He has been active in the voice acting industry since at least 2010, with experience in both voice-over and on-camera performances.

Eiseman is affiliated with major anime production companies, including Crunchyroll and Funimation, and is represented by the Pastorini-Bosby Talent Agency. He began his professional journey at Studio Center, where he worked from 2010 to 2019. His body of work consists largely of voice roles for anime produced for the North American market.

He is recognized for his role as Akinori Konoha in the anime series Haikyu!!. Eiseman voices the character specifically starting from the Haikyu!! Land vs. Air OVA and in subsequent appearances. Konoha is a wing spiker for the Fukurōdani Academy volleyball team, known for his versatility on the court, a trait that earns him the nickname "Jack of all Trades".

Another of his notable roles is Kunugi in the science fiction anime No Guns Life. He provided the voice for this character in multiple episodes of the series, which is set in a city where private investigators, including a man with a gun for a head, navigate a complex world.

In addition to these roles, Eiseman has voiced characters in a wide range of other anime series. His credits include Giovanni in Skeleton Knight in Another World, Kyle in Trapped in a Dating Sim: The World of Otome Games is Tough for Mobs, and a male student in The Dawn of the Witch. He also provided additional voices for numerous other productions, such as Attack on Titan, One Piece, Overlord IV, and Sasaki and Miyano. His work extends to video games, where he voices Matthias Czernin in Identity V.

Eiseman has over a decade of experience in the entertainment industry and is noted for leading a walla group called Wall~Halla, which provides group voice work for various projects.