Saegusa Shigeaki (family name Saegusa) (born 1941) is a Japanese opera composer.

Saegusa is best known for his opera version Chushingura of the well-known kabuki epic of the Fort-seven Ronin with a libretto by the novelist Shimada Masahiko. Written over a period of 10 years, the opera was most recently performed at the New National Theatre, Tokyo in 2002.

He is also known for his Scores on Zeta Gundam, Char's Counterattack, and recently the New Zeta Gundam Movies. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.