USS Dahlgren (DLG-12/DDG-43) was the 7th ship in the Farragut-class guided missile destroyer in the United States Navy.

She was launched on 16 March 1960 by Philadelphia Naval Shipyard and sponsored by Mrs. Katharine D. Cromwell, granddaughter of Rear Admiral John Adolphus Dahlgren.

Commissioned as DLG-12, Dahlgren was reclassified a guided missile destroyer on July 1, 1975 and given the new hull number DDG-43.

[3] Wilmington Resources changed their name to Sigma Recycling in January 1996 and then lost their permits to dismantle ships on 24 July 1996.

[4] Upon being returned to the Navy, Dahlgren was sold to International Shipbreakers of Brownsville, Texas on 10 February 1999.