Sylvain Calzati (born 1 July 1979 in Lyon) is a former French road bicycle racer, who competed as a professional between 2003 and 2011. He turned professional during the year 2003 with Barloworld, and his biggest success was winning the 8th Stage in the 2006 Tour de France. He also won the Tour de l'Avenir in 2004. He lives in Genay with his wife and daughter. He works as industrial cleaner.