USS Ottawa (1861)

History
United States
Name	USS Ottawa
Builder	J.A. Westervelt, New York City
Commissioned	7 October 1861
Decommissioned	12 August 1865
Fate	Sold, 25 October 1865
General characteristics
Class and type	Unadilla-class gunboat
Displacement	691 tons
Tons burthen	507
Length	158 ft (48 m) (waterline)
Beam	28 ft (8.5 m)
Draft	9 ft 6 in (2.90 m) (max.)
Depth of hold	12 ft (3.7 m)
Propulsion	2 × 200 IHP 30-in bore by 18 in stroke horizontal back-acting engines; single screw
Sail plan	Two-masted schooner
Speed	10 kn (11.5 mph)
Complement	114
Armament	Original: 1 × 11-in Dahlgren smoothbore 2 × 24-pdr smoothbore 2 × 20-pdr Parrott rifle

USS Ottawa was a Unadilla-class gunboat built for the Union Navy during the American Civil War. Her wooden hull was built by J. A. Westervelt, and her engines by the Novelty Iron Works of New York. She was commissioned at the New York Navy Yard on 7 October 1861.