USS Hornbill (YMS-371 / AMS-19 / MSC(O)-19) was a built for the United States Navy during World War II. After World War II, she continued to be in use until the mid-1950s.
Hornbill was laid down as YMS-371 on 17 November 1942 by Weaver Shipyards, Orange, Texas and launched 27 November 1943. She was completed and commissioned on 29 February 1944,.
After her commissioning, YMS-371 participated in operations in the Gulf of Mexico until the summer of 1945, when she transited the Panama Canal en route to Okinawa, where she arrived 5 July to begin minesweeping operations. On 17 August, she departed Okinawa for Japan to sweep mines in Tokyo Bay, around the island of Honshà « and in the naval base of Sasebo.
On 16 February 1946, she ended her occupation duties and sailed for San Pedro, California, arriving 4 April. On 7 February 1947, YMS-371 was renamed USS Hornbill (AMS-19).
Hornbill served as a training ship on the U.S. West Coast and at Pearl Harbor until 1953, when she commenced duty with the U.S. Naval Schools of Mine Warfare, Yorktown, Virginia.
Reclassified MSC(O)-19 on 17 February 1955, Hornbill decommissioned September 1957. She was struck from the Naval Register 1 November 1959, and sold 30 June 1960.
Hornbill earned two battle stars for her service in World War II.