Marek Sadowski is a retired Polish association football defender who played professionally in Poland, Finland and the United States
Club
Sadowski spent most of his career in the lower Polish divisions. In 1990, he played for Porin Pallo-toverit in the Finnish Ykkönen as they gained promotion to the Veikkausliiga. Sadowski returned to Poland to play for KS Lublinianka during the winter, then rejoined Porin Pallo-toverit for the 1990 Veikkausliiga season. He then spent several seasons in Poland. In 1994, he played for the North Jersey Imperials in the American USISL.
International
Sadowski played one game for the Polish B national team in 1985.