McClellandtown is an unincorporated community in Fayette County, Pennsylvania, United States. The village was founded by a family of that name, who lived there many years ago. William McClelland, the founder, died there July 12, 1815, in the eighty-second year of his age. The town is 8 miles southwest of Uniontown, and 2.5 miles east of the Monongahela River. McClellandtown has a volunteer fire department and a post office. The McClellandtown United Presbyterian Church is also located in McClellandtown.