The Eastend Formation is a stratigraphical unit of Maastrichtian age in the Western Canadian Sedimentary Basin.

It takes its name from the town of Eastend, Saskatchewan, and was first described in outcrop around the settlement by L.S.

[2] The type locality was later defined south-west of the town by W.O.

[3] The Eastend Formation is composed lithic sandstone with volcanic grains, concretionary layers and green-grey shale beds.

[1] Coal beds are found in southern Alberta.