The third USS Niagara was a distilling and supply ship that served in the United States Navy during the Spanish–American War.

Niagara departed New York on 25 April 1898 for the Caribbean Sea via Norfolk, Virginia, and Key West, Florida.

She departed Hampton Roads on 30 May 1898, again bound for ports in Cuba and Puerto Rico.

Niagara remained on station in the Caribbean Sea until 24 July 1898 when she departed Guantanamo Bay, Cuba, for New York, arriving 3 September 1898.

This article incorporates text from the public domain Dictionary of American Naval Fighting Ships.