Justin Martin (born April 20, 1979) is an American DJ and record producer, based in San Francisco.

[1][2][3][4] The first release on Dirtybird was The Southern Draw EP by Justin Martin and Sammy D.[5] Martin released his sophomore album on April 20, 2016, via Dirtybird Records.

[6][7] In 2020, Martin launched his own label, What To Do…, with the single “Needs.” [8]