Matthew Bellamy (born June 9, 1978) is the lead singer and guitarist of British rock group Muse. Bellamy is also a talented pianist and plays keyboards in many of the band's songs.

His use of high pitched vocal lines is a staple part of Muse's sound. This falsetto is a signature characteristic of Muse and is the main dividing factor between fans and non-fans.

Bellamy’s distinctive piano style has been inspired by the works of Romantic pianists, such as Sergei Rachmaninoff. Bellamy cites some of his guitar playing influences as Jimi Hendrix and Tom Morello of Rage Against the Machine, the latter being particularly evident in the more riff-based songs on Origin of Symmetry and in Bellamy’s extensive use of pitch-shifting effects in his solos.

Bellamy's father, George Bellamy was a bassist of the 1950's British rock group The Tornadoes.

Bellamy was recently #29 in Total Guitar magazine's top 100 guitar players in the world - above The Edge (U2), Pete Townshend and Chuck Berry.

In April 2005, Kerrang! magazine ranked him at #28 in their 50 sexiest people in rock, as well as their in-house number one guitarist.