USS Detector (AM-429/MSO-429) was an Agile-class minesweeper built for the United States Navy.

Detector sailed from San Diego, California, 18 October 1954 to join Mine Force, Atlantic Fleet, and arrived at Charleston, South Carolina, 8 November.

Along with her operations in the local area and off Florida on mine exercises, she served tours of duty with the U.S. 6th Fleet in the Mediterranean in 1956, 1957, and 1959.

She cruised to northern Europe between 12 May and 30 September 1958 and through 1962 took part in training and amphibious exercises.

Detector was decommissioned on 1 October 1982 and struck from the Naval Vessel Register on 1 December 1983.