Bachman–Turner Overdrive is a Canadian rock group that had a series of hit albums and singles in the 1970s. The original lineup consisted of Randy Bachman (lead guitar, lead vocals), Fred Turner (bass guitar, lead vocals), Tim Bachman (guitar, vocals) and Robbie Bachman (drums).

The second and most successful lineup featured Blair Thornton (lead guitar), in place of Tim Bachman. This lineup released four albums and the band's only U.S. No. 1 single: You Ain't Seen Nothing Yet. The band has sold nearly 30 million albums wordwide.

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