HMS Parker (originally Frobisher) was a Parker-class flotilla leader of the British Royal Navy, and the lead ship of her class. She was built by Cammell Laird during the First World War, being launched on 16 August 1916 and completing on 13 December that year. Parker served with the Grand Fleet for the rest of the war, which she survived. The ship was sold for scrap in November 1921.