The 20th SS Police Regiment (German: SS-Polizei-Regiment 20) was initially named Police Regiment Bohemia (Polizei-Regiment Böhmen) when it was formed in 1939 after the German occupation of Czechoslovakia from existing Order Police (Ordnungspolizei) units for security duties in Bohemia.

It was redesignated as the 20th Police Regiment in mid-1942 before it received the SS title in early 1943.

Police Regiment Bohemia was created shortly after the occupation of Czechoslovakia in March 1939.

Assigned were six battalions numbered I through VI, although they were renumbered in the 200 series in October.

[2] The regiment has been implicated in two incidents of war crimes in Italy in June 1944 with 4 civilians killed.