Zygmunt Aleksander Wnek (1918–1944) was a Polish soldier and military officer.
During World War II he served in the rank of 2nd Lieutenant (podporucznik) on the Western Front with the 1st Armoured Regiment of the 1st Armoured Division.
Killed in action during the Battle of Falaise, he was posthumously awarded the Silver Cross of Virtuti Militari, Poland's highest military decoration.