The Dushihin Formation is an Early Cretaceous (Aptian) geologic formation in the Övörkhangai Province of Mongolia.

The formation comprises concretionary, calcareous claystones and concretionary, brown, gray, green, blue, calcareous claystones with large flattened lime concretions.

Within 3 metres (9.8 ft) in the formation is a lens of lighter grayish-brown clay with green and blue spots and small lime concretions.

In the lens is also an inclusion of blue, pale purple-spotted aleurite.

[2] The following fossils were reported from the lacustrine claystones and conglomerates of the formation:[1]