List of Polish armies in World War II

The following is a list of Polish Armies during World War II, together with their commanders and brigade and division-sized units.

For a more detailed list see: Polish army order of battle in 1939.

During the Invasion of Poland several divisions were grouped into two units smaller than armies: the Wyszków Operational Group and the Narew Independent Operational Group.

Placement of divisions on September 1, 1939