Saco (YTB-796) was a United States Navy Natick-class large harbor tug named for Saco, Maine.

Placed in service on 14 September 1968, Saco was assigned to Naval Station Guam.

She served there until reassignment to Naval Station Long Beach, California, where she served for the remainder of her career.

Stricken from the Navy List 9 June 2004, Saco was scrapped 30 May 2005.

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