HM Prison Langi Kal Kal is an Australian prison located in Trawalla, near Beaufort, Victoria, Australia.

It is a minimum security pathway for protection prisoners from Hopkins Correctional Centre.

Langi Kal Kal Prison is 140 kilometres west of Melbourne on the Western Highway at Trawalla.

After World War Two the land was subdivided and the central area, which included the farmhouse, was turned into the prison.

The prison's name is derived from an Indigenous phrase meaning "resting place of the singing cicada".