Martin Horntveth (born 20 September 1977) is a Norwegian musician (primarily drummer), composer and electronica artist.

[1] Together with Ravi (Ivar Johansen) he started in 1994 the band Jaga Jazzist, where he and his brother Lars are key members.

He received the Edvard Prize 2005 in the class pop music for the tune Tolerate from the band's debut album The National Bank, together with his brother Lars and the lyricist Martin Hagfors.

[1] Horntveth has also been a drummer in Bigbang in the period 1997–1999, and was playing the drums on the album Electric Psalmbook.

[4] Horntveth played music for the theater troupe Stella Polaris, and has also established himself as a solo artist and composer for film, television and stage.