USS Bignonia (1863)

USS Bignonia (1863) was a steamer purchased by the Union Navy during the American Civil War.

She was used by the Union Navy as a tugboat in support of the Union Navy blockade of Confederate waterways.

Acquired by the Union Navy in Cleveland, Ohio
Bignonia, a screw tug, was built in 1863 at Cleveland, Ohio, as Mary Grandy; purchased by the Union Navy on 2 August 1864; and commissioned on 14 September 1864, Acting Volunteer Lieutenant W. D. Roath in command.

Civil War service
Until April 1865, Bignonia served with the North Atlantic Blockading Squadron as a tug. She was reassigned to the West Gulf Blockading Squadron in April 1865.

Post-war decommissioning and sale
Bignonia was decommissioned there and sold on 12 July 1865.