USS Protector may refer to:
USS Protector was the planned name for the monitor USS Dictator (1863); name changed while the ship was still on the stocks
USS Protector (ARS-14) was commissioned 28 December 1943; performed salvage and diving operations during much of her career; decommissioned on 15 May 1946
USS Protector (YAGR-11) was laid down as the liberty ship SS Warren P. Marks; commissioned as the Protector 20 February 1957; operated off the United States Eastern Seaboard until her decommissioning 28 July 1965
