Masaaki Waguri is a Japanese former voice actor and actor born on August 21, 1962, in Tokyo, Japan. During his active career, he was affiliated with the theater group Gekidan Wakakusa and the talent agency Yaegaki Jimusho. He began his career in entertainment as a child actor and also pursued voice acting from a young age.

Waguri is best known for his voice role as Takao Taniguchi in the television anime series Captain, which aired in 1983. He also voiced the same character in the 1981 theatrical film version of Captain, as well as in a television special of the series that aired in 1980. Beyond his work on the Captain franchise, records of his other voice acting roles are sparse, though he did appear as an actor in several television dramas and a film during the late 1970s and early 1980s. Information on recurring collaborations with specific directors or other voice actors, as well as major awards or other notable achievements, is not available in the provided search results.