Masayuki Omoro (小室正幸, born on March 6th, 1948 in Ishikawa Prefecture) is a Japanese voice actor who provided voices for Hashire! The "Thomas the Tank Engine and Friends" Steam Locomotive is Alive!.

He is most famous for voicing Brian Stegmeyer from "Mobile Suit Gundam 00", Brandon and Dr. Zager from "Pokémon", Soju Asano from "InuYasha", Destro and Tomax from "G. I. Joe", Bill Stewart from "Fighting Spirit: New Challenger", Simon Gant from "Phantom: Requiem for the Phantom", Vernon Fenwick from the original "Teenage Mutant Ninja Turtles", Hitoshi Kuriagawa from "Baki the Grappler", Gensui Amagiri from "Naruto Shippuden: Kizuna Drive", and Tim Marcoh from "Fullmetal Alchemist: Brotherhood".