Fairchance is a borough in Fayette County, Pennsylvania, United States. The population was 1,889 at the 2020 census, a decline from the figure of 1,975 tabulated in 2010. It is served by the Albert Gallatin 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.