The SS Mountain Police Regiment 18 (German: SS-Polizei-Gebirgsjäger-Regiment 18) was initially named Mountain Police Regiment (Polizei-Gebirgsjäger-Regiment) when it was formed in 1942 from existing Order Police (Ordnungspolizei) units in order to secure the railwayline in the northern Caucasus (oil transports from Baku) - the withdrawal from this area made these plans obsolete.

The regiment was ordered formed in June 1942 in Garmisch-Partenkirchen, Germany.

Colonel of the police Hermann Franz became regimental commander and remained in command until August 1943[1] when he was relieved by Lieutenant Colonel (Oberstleutenant der Polizei) Hösl.

The regiment was transferred to Slovenia shortly after formation (August/September 1942)[2] and then had to complete further training sessions in the Alps and in Dannzig before it was sent to Finland in January 1943.

From 1943 - 1945 the Polizei-Gebirgsjäger Regiment 18 was subordinated to the Wehrmacht, first in Finland, in summer 1943 it was moved to Greece, in September 1944 it retreated north through the Balkans.