Mat Maneri (born October 4, 1969, in Brooklyn, New York) is an American composer, improviser and jazz violin and viola player, specifically derivatives such as the five-string viola, the electric six-string violin, and the baritone violin. He is the son of the saxophonist Joe Maneri.
Maneri has recorded with Cecil Taylor, Matthew Shipp, Joe Morris, Joe Maneri, Gerald Cleaver, Tim Berne, Borah Bergman, Mark Dresser, William Parker, Michael Formanek, John Lockwood, as well as with his own trio, quartet, and quintet. He has also played on various band releases: Club d'Elf, Decoupage, Brewed by Noon, Paul Motian's Electric Bebop Band, Buffalo Collision.
Maneri started studying violin at the age of five and received a full scholarship as the principal violinist at Walnut Hill High School and New England Conservatory of Music, before going on to pursue a professional career in jazz music.
He started releasing records as a leader in 1996 and has performed and recorded worldwide. Maneri has worked with Ed Schuller, John Medeski, Roy Campbell, Paul Motian, Robin Williamson, Drew Gress, Tony Malaby, Ben Monder, Barre Phillips, Joëlle Léandre, Marilyn Crispell, Craig Taborn, Ethan Iverson, David King and many others. Maneri has taught privately and at the New School.