USS Flatley (FFG-21), thirteenth ship of the Oliver Hazard Perry class of guided-missile frigates, was named for Vice Admiral James H. Flatley. Ordered from Bath Iron Works on 28 February 1977 as part of the FY77 program, Flatley was laid down on 13 November 1979, launched on 15 May 1980, and commissioned on 20 June 1981. Decommissioned on 11 May 1996, she was leased to Turkey on 28 August 1997 as that nation's TCG Giresun (F 491).
Flatley (FFG-21) was the first ship of that name in the US Navy.
