Bent Tree Harbor is an unincorporated community and census-designated place (CDP) in Benton County, Missouri, United States.

It is in the western part of the county, on the north side of State Highway Z, 6 miles (10 km) west of Warsaw, the county seat.

It is bordered to the northwest and northeast by arms of Harry S. Truman Reservoir on the South Grand River, a tributary of the Osage River.

Bent Tree Harbor was first listed as a CDP prior to the 2020 census.

This Benton County, Missouri state location article is a stub.