USS Garrett County (LST-786) was an LST-542-class tank landing ship built for the United States Navy during World War II.

LST-786 was laid down on 21 May 1944 at Pittsburgh, Pennsylvania by the Dravo Corporation; launched on 22 July 1944; sponsored by Mrs. E. B. Keckler; and commissioned on 28 August 1944.

LST-786 was decommissioned on 9 July 1946 at Astoria, Oregon and assigned to the Columbia River Group of the Pacific Reserve Fleet.

Garrett County reported on-station to CTF 116 on 12 March 1967 and operated as a Patrol Craft Tender (AGP) for the next 48 months on the rivers of the Mekong Delta.

This article incorporates text from the public domain Dictionary of American Naval Fighting Ships.