Maryhill Estates is a home rule-class city in Jefferson County, Kentucky, United States.

[4] It is one of numerous small cities in Jefferson County which have resisted annexation or merger.

Merger with nearby St. Matthews or Windy Hills has been discussed but not pursued.

It is bordered to the north by Windy Hills, to the south by St. Matthews, and otherwise by consolidated Louisville/Jefferson County.

According to the United States Census Bureau, Maryhill Estates has a total area of 0.04 square miles (0.10 km2), all land.