Broadspeed Engineering Ltd was a British automobile tuning and engineering company that operated from Sparkbrook, Birmingham, England, principally during the 1960s and 1970s. It was started and run by Ralph Broad, and first became well known for its success in campaigning MkI BMC Minis during the early 1960s. The company also offered a variety of different road- and race-tuning packages for BMC and Ford engines.