Vanderbilt is a borough in Fayette County, Pennsylvania, United States. The population was 414 at the 2020 census, a decline from the figure of 476 tabulated in 2010. The town is named for the railroad tycoon Cornelius Vanderbilt and is served by the Connellsville Area School District.

Fayette County is a county in the Commonwealth of Pennsylvania. It is located in southwestern Pennsylvania, adjacent to Maryland and West Virginia. As of the 2020 census, the population was 128,804. Its county seat is Uniontown. The county was created on September 26, 1783, from part of Westmoreland County and named after the Marquis de Lafayette. The county is part of the Southwest Pennsylvania region of the state.