8/TB-8) was a torpedo boat in the United States Navy during the Spanish–American War.
Rowan was laid down on 22 June 1896 by Moran Brothers Company, Seattle, Washington; launched 8 April 1898; sponsored by Mrs. Edward Moale, Jr.; and commissioned on 1 April 1899, Lieutenant Reginald F. Nicholson in command.
Rowan was recommissioned on 23 April 1908 and on 21 June she departed Bremerton, Washington, for Mare Island Navy Yard in Vallejo, California.
For the next year she cruised off the United States West Coast, from the Canada–US border to Magdalena Bay, Mexico, as a unit of the 3rd Torpedo Flotilla.
Her name was struck from the Navy list the following day and her hulk was sold for scrap on 3 June 1918.