Ryszard Tadeusz Koncewicz (born April 12 in
Lwów, died March 15, 2001 in
Warsaw) was a
Polish soccer player as well as a coach. In the interbellum period, Koncewicz played without notable successes for
Lechia Lwów (1927–1939). Caught by the
Wehrmacht during the
Polish September Campaign), he spent the war in a German POW camp Oflag IIC Woldenberg, where he represented the unofficial team of the city of Lwów, which consisted of POWs from there.