Regan Farquhar (born February 12, 1978), better known by his stage name Busdriver (sometimes stylized in all caps), is an American rapper and producer from Los Angeles.

His primary producers have been Daedelus, Boom Bip, Daddy Kev, Loden, Paris Zax, Omid, Kenny Segal, and Nobody.

[2] He was introduced to hip hop at an early age; his father, Ralph Farquhar, wrote the 1985 film Krush Groove.

[9] In that year, he also started a band Physical Forms with Jeff Byron, who is a former member of The Mae Shi.

[15] In 2017, Busdriver appeared on Flying Lotus' directorial debut feature film, Kuso.