Leszek Marian Kosedowski (born May 25, 1954 in Środa Śląska) is a retired boxer from Poland, who won a bronze medal in the men's featherweight division (– 57 kg) at the 1976 Summer Olympics in Montreal, Quebec, Canada.

There he was defeated in the semifinals by the eventual silver medalist, Richard Nowakowski of East Germany.

Below are the results of Leszek Kosedowski, a Polish featherweight boxer who competed at the 1976 Montreal Olympics:

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