ROKS Seoul is the name of three ROK Navy warships:
ROKS Seoul (DD-912), a Fletcher class destroyer commissioned as USS Halsey Powell (DD-686) in 1943, and acquired 1968
ROKS Seoul (LCI-101), a landing craft infantry commissioned as USS LCI(L)-594 in 1944, and acquired 15 September 1946
ROKS Seoul (FF-952), an Ulsan class frigate commissioned on 14 December 1985