The Raritan Formation is a Cretaceous (Turonian) sedimentary geologic formation of the Atlantic Coastal Plain.

The formation is described in the USGS publication Tolchester folio, Maryland (1917) as follows: Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.

[4] Many plant fossils have been recovered from the Raritan.

[1] The formation hosts the New Jersey Amber deposits.

This article about a specific stratigraphic formation in New Jersey is a stub.