Charles Frederick Turner is a Canadian rock bassist, vocalist and songwriter, and was a founding member of the 1970s rock band Bachman–Turner Overdrive (B.T.O.). He is credited on most B.T.O. albums as "C.F. Turner".

Bachman–Turner Overdrive, often abbreviated BTO, are a Canadian rock band from Winnipeg, Manitoba, founded by three brothers: Randy Bachman, Robbie Bachman and Tim Bachman; along with Fred Turner, in 1973. Their 1970s catalogue included seven top-40 albums and 11 top-40 singles in Canada. In Canada they have six certified platinum albums and one certified gold album; in the US they have five certified gold albums and one certified platinum album. The band has sold approximately 30 million albums worldwide and has fans affectionately known as "gearheads". Many of their songs, including "Let It Ride", "You Ain't Seen Nothing Yet", "Takin' Care of Business", "Hey You" and "Roll on Down the Highway", still receive regular play on classic rock stations.