Marek Sadowski (born 8 March 1959) is a Polish football manager and former player who played professionally in Poland, Finland and the United States.
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.
This biographical article related to a Polish association football defender is a stub.