Haruhiko Jō is a Japanese actor, theatre director, and voice actor born on January 25, 1948 in Kyoto Prefecture, Kyoto, Japan. His career as a performer includes extensive work in television drama, theatrical production, and voice acting for anime, video games, and foreign film dubbing.

In the realm of Japanese animation, Jō is known for his distinctive deep voice, which he has lent to a variety of antagonistic and authoritative characters. His roles in anime include Streusen in the long-running series One Piece and Don Thousand, the primary antagonist of Yu-Gi-Oh! Zexal II. He has also voiced Mastermind in the Marvel anime adaptation of X-Men. Jō has a recurring presence as the narrator in the science fiction series Crest of the Stars and its sequels, including Banner of the Stars and Banner of the Stars II. His work in original video animation includes the role of Gyunter in the space opera Sol Bianca: The Legacy.

Beyond animation, Jō has an extensive career in video game voice acting and media dubbing. His notable video game credits include Scar and Hector Barbossa in Kingdom Hearts II, Barbossa again in Kingdom Hearts III, Zeus in the Japanese version of God of War III, and Gongora in Lost Odyssey. In the field of dubbing, Jō is the regular Japanese voice for actors Geoffrey Rush and J.K. Simmons. He has voiced Captain Hector Barbossa for the Pirates of the Caribbean film series, J. Jonah Jameson for the Sam Raimi Spider-Man trilogy, and characters such as Scar in The Lion King and Supreme Leader Snoke in the Star Wars sequel trilogy. Other significant dubbing roles include Zeus in various media, Daniel Plainview in There Will Be Blood, and Steppenwolf in the director's cut of Zack Snyder's Justice League.