USS Allen (DD-66) was a Sampson-class destroyer of the United States Navy. She was decommissioned on 22 June 1922, was again under a commanding officer from 23 August 1940, and was decommissioned once more on 15 October 1945. She survived the war.
Samuel Woods Bryant took command on 24 January 1917 and was relieved on 15 October 1917 by Henry David Cooke, Jr. Cooke served until 19 April 1918, when Louis Calott Farley assumed command. Farley was relieved on 10 January 1919 by John Edwin Ostrander, Jr., who remained until 10 April 1920.
Charles Carroll Soule, Jr., commanded from 10 April 1920 until 9 October 1920. Robert Bruce Crichton then had the ship until 23 November 1920. Percy Austin Decker took command that day and was relieved when Allen was decommissioned on 22 June 1922.
Frederick Paul Williams became commanding officer on 23 August 1940. He was relieved on 21 November 1941 by Daniel Byrd Miller, who commanded her at Pearl Harbor. On 7 December 1941, during the Attack on Pearl Harbor, Allen was in the harbor. She was not hit.
She stayed in Hawaiian waters, in the Hawaiian defensive sea area, for the rest of the war. Parke H. Brady relieved Miller on 28 September 1942 and served until 28 May 1943. Homer Howard Nielson commanded from that date until 31 March 1944.
William James Riley, Jr., took command on 31 March 1944 and was relieved on 19 August 1944 by James A. Rowe. Rowe served until 9 July 1945, when Joseph C. Tyler, Jr., assumed command. Tyler was relieved when Allen was decommissioned on 15 October 1945.