Four ships operated by the Confederate States of America were named Beauregard, after P. G. T. Beauregard, a Confederate States Army general.

• CSS Beauregard (Army steamer), a Confederate steamer captured by the Union Navy while with a bomb boat.
• CSA Beauregard, an army steamer, captured by United States Army forces.
• Beauregard, a privateer two-masted brig schooner, captured.
• CS Beauregard, an army schooner, burned to prevent capture.