49), later USS Piscataqua (AT-49), the third United States Navy ship of the name, was an armed tug in commission from 1898 to 1922.

Piscataqua was completed in 1897 for W. H. Brown & Company as the commercial screw tug W. H. Brown by the F. W. Wheeler Company at West Bay City, Michigan.

Piscataqua served in the waters off Cuba during the Spanish–American War, which ended in August 1898.

[2] Piscataqua spent the rest of her career in the Asiatic Squadron and its successor, the United States Asiatic Fleet, and was designated a "fleet tug" with the hull classification symbol AT-49 on 17 July 1920, when the Navy adopted its modern, alphanumeric system of hull designations Piscataqua was decommissioned at Cavite Navy Yard in the Philippines on 10 April 1922.

Struck from the Navy List on 4 August 1930, she was sold for scrapping on 7 January 1931 in Manila to Rograciano Rodriquez, but was converted into a commercial barge instead of being scrapped.