USS Southerner was a schooner purchased by the Union Navy to be used as a sunken obstruction in the waterways of the Confederate States of America.

Southerner – a Chesapeake Bay schooner – was purchased by the Union Navy at Baltimore, Maryland, on 13 August 1861.

The vessel was laden with stone and towed to Hampton Roads.

On 26 August, she and sister stone schooner Mary and Hetty got underway with Flag Officer Silas Stringham's task force for the assault on Hatteras Inlet, North Carolina.

This article about a specific ship related to the American Civil War is a stub.