Red Sandstone may refer to:
Sandstone appearing red due to the inclusion of iron oxides (hematite) Old Red Sandstone, a British lithostratigraphic unit (a sequence of rock strata) to which stratigraphers accord supergroup status New Red Sandstone, a chiefly British geological term for the beds of red sandstone and associated rocks laid down throughout the Permian to the end of the Triassic
See also Redstone (disambiguation) Ultisols