Jōji Yanami (八奈見 乗児), born Shigemitsu Shirato (白土 繁満) on August 30, 1931, in Tokyo, is a veteran Japanese seiyū. He is currently represented by Aoni Production.
Some of his other roles include Dr. Gilmore in the 1960s Cyborg 009 anime, Gennai in the Digimon franchise, Professor Gennosuke Yumi in the Mazinger franchise, Gan Fall in One Piece, Dr. Umon in UFO Robo Grendizer, and Boyakii in the Yatterman franchise. He also voiced Splinter in the Japanese dub of the live-action Teenage Mutant Ninja Turtles film.
Jōji Yanami has also performed the end themes to various anime, including Time Bokan and Yatterman.