Akira Murayama is a Japanese voice actor born on April 2, 1948, in Asakusa, Taitō, Tokyo. He began his career in 1970 as a student at the Kurosawa Akira Actor Training School, joined the talent agency Dōjin-sha in 1972, and has been represented by the Tokyo Actor's Consumer's Cooperative Society, also known as Haikyō, since 1991. His voice is classified as a tenor.

Murayama has built a substantial career since the 1970s, providing voices for numerous anime series, films, and dubbed versions of foreign productions. He is known for playing a wide range of supporting characters, from young boys to announcers and villains.

In anime, he has taken on a variety of roles across several decades. He played Takeshi in the 1976 series UFO Senshi Daiapolon and Happei Aburada in the 1981 series Gold Lightan - The Golden Warrior. He is also recognized for his long-running role as Perm in the various Urusei Yatsura television series, OVAs, and films from the 1980s and 1990s. His filmography also includes the role of Samii in Kyōryū Tankentai Born Free, the role of Kitazato McRoe in the OVA Hell Target, and the role of Haruhiko Emoto in the OVA Money Wars - Nerawareta Waterfront Keikaku. Other notable anime credits include the announcer in Captain Tsubasa (1983), Cerberus Dante in Saint Seiya (1986), Cameron Bloom in Mobile Suit Gundam: Char's Counterattack (1988), and Andreanof in Gambalist! Shun (1996). He also had a role in One Piece in 1999.

Throughout his career, Murayama has frequently collaborated with a consistent group of fellow voice actors, including古川登志夫, 神谷明, 玄田哲章, and 二又一成, particularly on long-running series like Urusei Yatsura.

Beyond anime, Murayama has an extensive career in voice dubbing for foreign films and TV series. Some of his most prominent dubbing roles include Thornburg in the Die Hard series, Gabriel Shear in Swordfish, and Virgil Tracy in the Thunderbirds series. He has also dubbed for the Ghostbusters and Friday the 13th series, as well as providing the Japanese voice for Sideshow Bob in The Simpsons. His work extends to narration for television programs and even station announcements for several JR train lines in Japan.