Williams Acres is an unincorporated community and census-designated place in McKinley County, New Mexico, United States. It was first listed as a CDP prior to the 2020 census. The CDP is in the western part of the county, in the valley of the Puerco River, a west-flowing tributary of the Little Colorado. The community is bordered to the south by Interstate 40 and to the north by New Mexico State Road 118. It is 10 miles west of Gallup, the county seat, and 15 miles northeast of Lupton, Arizona.