Marcelo Campos is a Brazilian voice actor and dubbing director, born in São Paulo on June 14, 1969, with a career spanning over three decades beginning in 1992. He is widely recognized for his extensive work in anime, having lent his voice to a vast array of iconic characters.

Campos is perhaps best known for his long-standing association with the Dragon Ball franchise, where he voices Trunks, a role he has performed in Dragon Ball Z, Dragon Ball GT, and the feature film Dragon Ball Super: Super Hero. He has also portrayed General Blue within the same universe. His repertoire includes other seminal anime roles such as the title character in Shurato, Yugi Mutou in Yu-Gi-Oh!, Edward Elric in Fullmetal Alchemist, and Roronoa Zoro in the first dub of One Piece. He later voiced a different character, Portgas D. Ace, in a subsequent version of One Piece.

His work extends across numerous other popular series, including Mu de Áries in Os Cavaleiros do Zodíaco (Saint Seiya), a role for which he also directed the dubbing of the Hades Saga. He is the voice of Duo Maxwell in Mobile Suit Gundam Wing, Terry Bogard in the Fatal Fury adaptations, and Benji Wakabayashi in various Captain Tsubasa series. More recent roles include Kohachi Inugami in Kemono Jihen, where he also served as dubbing director, Suiryu in One Punch Man, David Shield in the film My Hero Academia: Two Heroes, and Baku Yorozu in the tokusatsu series Kamen Rider Zeztz. His filmography also features parts in Hell Girl as Hajime Shibata, Demon Lord Dante as Ryo Utsugi, Iczer Reborn as Yajin Ro, Giant Robo as Daisaku Kusama, Samurai Shodown: The Motion Picture as Galford, Art of Fighting as Ryo Sakazaki, Bucky - The Incredible Kid as Kai, Detonator Orgun as Tomoru Shindo/Orgun, and Little Nemo: Adventures in Slumberland as Oompo.

In addition to voice acting, Marcelo Campos is an accomplished dubbing director. He has directed the Portuguese dubs for series such as Megaman NT Warrior and Os Cavaleiros do Zodíaco, most notably during the Hades Saga, a project that earned him the Yamato Award for Best Dubbing Direction in 2007. His work has been honored multiple times at the Prêmio Yamato (also known as the Oscar da Dublagem), winning Best Protagonist Voice Actor in 2003 for his portrayal of Yugi in Yu-Gi-Oh! and again in 2006 for his role as Edward Elric in Fullmetal Alchemist. He also received a nomination for Best Dubbing Direction in 2005 for Megaman NT Warrior.