The third USS Morris was a schooner in the United States Navy in commission in 1846.

She was named for Robert Morris, a Founding Father, Continental Congressman, and major financier of the American Revolutionary War.

Morris served as a despatch boat during the Mexican War, going into service early in 1846.

This article incorporates text from the public domain Dictionary of American Naval Fighting Ships.

This article about a specific ship or boat of the United States Armed Forces is a stub.