Marcos López Montejano is a Spanish-language voice actor known for his work in anime dubbing and animated series. He is an active professional with a voice type characterized as young.

One of his notable roles is providing the Spanish voice for Arman Kusaba in the anime series Beyblade Burst Rise, which is part of the Beyblade Burst GT era. His other significant anime credits include the character Aoshi Tokimitsu in the popular series Blue Lock, appearing in its first season, second season, and the film Blue Lock: The Movie - Episode Nagi. He also voiced Soji Okita in the second season of Record of Ragnarok. Additional anime work includes roles in Witch Watch, Junji Ito Maniac: Japanese Tales of the Macabre, and Yu Yu Hakusho (2023).

Beyond anime, López Montejano's dubbing career encompasses a variety of live-action and animated productions. He has recurring collaborations dubbing actor Luca Luhan, providing the Spanish voice for his character Bose O'Brian across multiple seasons of the series Henry Danger, Danger Force, and the animated spinoff The Adventures of Kid Danger. His other live-action dubbing credits include characters in series such as American Sports Story, Arrested Development, and the film The Diary of a Greg. In animation, he voiced Casey Jones in the film Rise of the Teenage Mutant Ninja Turtles: The Movie and has a role in the series Mush Mush and the Champis.

His body of work demonstrates a consistent presence in the Spanish dubbing industry, with credits spanning from 2018 to 2025.