Carn Brea may refer to several places:
Carn Brea Castle, former hunting lodge in Cornwall Carn Brea railway station, a former railway station on the Cornish Main Line Carn Brea, Redruth, neolithic hill site and civil parish in Cornwall Carn Brea Village, a village between Camborne and Redruth, Cornwall Chapel Carn Brea, St Just in Penwith, Cornwall, the westernmost hill in Britain