USS Tonawanda (1864)
 USS Tonawanda was a double-turreted coastal monitor built by the Philadelphia Navy Yard launched on 6 May 1864; and commissioned on 12 October 1865 Commander William Ronckendorff in command.The Tonawanda was designed by Chief of Naval Engineering John Lenthall. Lenthall actually designed four monitors at that time. The Monadnock and the Agamenticus were the first and are considered the two Monadnock-class vessels.