Grzegorz Stanisław Kosma was born on March 2, 1957, in Łodz and died on May 6, 2017.
He was a former Polish handball player.
Kosma competed in the 1980 Summer Olympics.
During 1980 Kosma was part of the Polish team which finished seventh in the Olympic tournament.
Kosma played five matches and scored three goals.
Grzegorz Kosma passed away at 60 years old.