Simon Buckmaster (born 15 January 1961) is a British former professional Grand Prix motorcycle racer.
Riding a privateer Suzuki he made five starts but scored no championship points.
Buckmaster continued to ride a Honda in 1987 season, starting in 12 races but failing to score any points.
He had a career-best race at the Nations Grand Prix at Misano which most of the top riders boycotted for safety reasons, allowing Buckmaster to score his highest finish with a second behind Pierfrancesco Chili.
The crash ended Buckmaster's racing career as his lower left leg had to be amputated.