Grzegorz Gwiazdowski (born 3 November 1974) is a professional racing cyclist from Poland. His most prominent result was in winning the UCI Road World Cup event the Züri-Metzgete in 1999 whilst riding for Cofidis. He rode for Cofidis for two years in 1998 and 1999 before moving to Française des Jeux for 2000 and 2001. He announced his retirement at the end of the 2001 season.