Masashi Nogawa is a Japanese voice actor born on May 25th in Saitama Prefecture, Japan. He is affiliated with the talent agency Production Ace, having previously been represented by Media Force. He began his professional voice acting career in the 2010s.

Nogawa has built a career characterized by versatility and a wide range of supporting roles in anime television series. He is frequently cast as authority figures, fathers, shopkeepers, and other character roles that add depth to the stories in which he appears. Among his many anime credits are the roles of Enya in Shinobi no Ittoki (2022) and Police Officer Nagai in The Way of the Househusband (2021), as well as Police Officer 1 in the same series. His other notable anime appearances include Sasai Yancas in Mobile Suit Gundam: Iron-Blooded Orphans, Mild in That Time I Got Reincarnated as a Slime, Marquis Blumrush in Overlord, and Tetsuji Kabutoyama in Food Wars!. He has also contributed voices to long-running and popular franchises such as Gintama and Boruto: Naruto Next Generations.

Beyond anime, Nogawa is highly active in the field of dubbing, providing Japanese voices for numerous foreign films and television dramas. His dubbing credits include major Hollywood productions such as Green Book, Mad Max: Fury Road, and films within the Marvel Cinematic Universe. His voice is also featured in many video games, including prominent titles like Final Fantasy VII Remake, The Last of Us Part II, and Fire Emblem Heroes. His professional work extends further to include narration for documentaries on channels like the Discovery Channel and National Geographic, as well as drama CDs and digital comics.

While he has not received major public awards, Nogawa is recognized within the industry for his professionalism, adaptability, and reliable performances, which have made him a sought-after talent for a wide variety of projects.