
Bechowiec was a Polish World War II submachine gun developed and produced by the underground Bataliony Chłopskie resistance organisation. It was designed in 1943 by Henryk Strąpoć and was produced in underground facilities in the area of Ostrowiec Świętokrzyski. Its name was coined after the Bataliony Chłopskie organization members who were informally called bechowiec.

The Błyskawica, was a submachine gun produced by the Armia Krajowa, or Home Army, a Polish resistance movement fighting the Germans in occupied Poland. Together with a Polish version of the Sten sub-machine gun, with which it shares some design elements, it was the only weapon mass-produced covertly in occupied Europe during World War II.

Choroszmanów submachine gun was a Polish submachine gun created by Grzegorz Choroszman during German occupation of Poland.

The PM-84 Glauberyt is a Polish submachine gun. It is a personal weapon intended for combat and self-defense at ranges up to 150 m with single shot or fully automatic fire mode. It features a compact design, minimum overall dimensions, small weight, very good accuracy, and fire stability. It is designed for heavy weapons platoons personnel and reconnaissance detachments, special anti-terrorist and police troops.

KIS was the name of a Polish submachine gun from the time of the Second World War. It was designed and manufactured by engineers in Jan Piwnik's "Ponury" ("Grim") guerrilla unit that was operating in Holy Cross Mountains region.
Pistolet maszynowy wz. 39 Mors was a Polish submachine gun designed by Piotr Wilniewczyc and Jan Skrzypiński between 1936 and 1938. It was to have become the standard submachine gun of the Polish Army some time in the 1940s. However, its production was halted by the 1939 Invasion of Poland and World War II.

The PM-63 RAK is a Polish 9×18mm submachine gun, designed by Piotr Wilniewczyc in cooperation with Tadeusz Bednarski, Grzegorz Czubak and Marian Wakalski. The RAK combines the characteristics of a self-loading pistol and a fully automatic submachine gun.