Junichi Endou is a Japanese actor and voice actor born in Tokyo on March 10, 1969. He is affiliated with the theatre company Gekidan Subaru. His career as a voice actor began in the 1990s, and he has built a substantial body of work across animation, video games, and foreign film dubbing.

In anime, Endou is known for a wide range of supporting and character roles. As specified, he voiced the characters Carlos Lopez and Galvatron in the 2004 television series Transformers: Superlink, known internationally as Transformers: Energon. Other notable anime roles include the librarian in Kino's Journey, Mizudori the director in Genshiken, Ed in Ancient Ruler Dinosaur King DKidz Adventure, and various characters in the long-running series Nintama Rantarou. His film appearances include roles in theatrical features such as Naruto Shippuden the Movie: Bonds and Paul Rusch: The Story of Kiyosato.

Beyond anime, Endou has an extensive career in video games and voice-over work for foreign films, a field known as fukikae. A significant recent role is the dwarf Brok in the acclaimed video games God of War (2018) and God of War Ragnarök (2022). He is also a prominent voice for foreign actors, most notably serving as the regular Japanese dubbing voice for Seth Rogen in numerous films, including Knocked Up, Neighbors, and Steve Jobs. He also provides dubbing for actors such as Jason Sudeikis and Will Ferrell. A noted personal interest is railway travel.