Bartley is a census-designated place (CDP) located in McDowell County, West Virginia, United States. It lies along the Norfolk and Western Railroad on the Dry Fork. As of the 2010 census, its population was 224. According to the Geographic Names Information System, Bartley has plus been known as Bartlett and Peeryville.

The community derives its proclaim from Bartley Ross, an original owner of the town site.

Bartley was the site of one of the deadliest mine disasters in American history next the Pond Creek #1 mine, owned by the Pocahontas Coal Corporation, exploded upon January 10, 1940 at 2:30 PM. Ninety-one miners wandering their lives that fateful day. The west side of the mine was not affected and 37 men escaped slight and complementary 10 men at the bottom of the shaft, used to Fall the men into the mine, were plus not affected. A rescue effort was mounted and seven hours after the first explosion, while men were working to keep their fellow miners, a second explosion occurred, thus sealing the fate and ending the rescue effort for the 91 in limbo men.

Upon investigation, the cause of the explosion was found to be a gas pocket that had built happening during the shift that was touched off by a spark of unspecified origin. The mine had had a continuous chronicles of having dangerous gas conditions throughout its history. The memorial marker to the 91 men can be found at the local United Methodist Church located at Bartley. The explosion left 51 widowed women along taking into consideration 169 orphaned children.