Sylwester Szmyd (born 2 March 1978) is a Polish former professional road bicycle racer, who rode professionally between 2002 and 2016. Born in Bydgoszcz, Szmyd competed as a climber who served as a leader in smaller stage races, and as a strong mountain domestique for his team leaders in the Grand Tours. He completed all of the 23 Grand Tours that he started during his career.