Darlington Historic District is a national historic district at Darlington, Harford County, Maryland, United States. It includes approximately 100 small-scale structures in the village of Darlington. They include four churches including the Darlington United Methodist Church and the Deer Creek Friends Meetinghouse, a dozen shops and stores, barns/garages, meathouses, chicken houses, and other outbuildings, a lodge hall, a grammar school, a cemetery, and three working farms. They date particularly from the late 19th century through the early 20th century.

It was added to the National Register of Historic Places in 1987.

• 
  A photograph of the village of Darlington on Main Street in the 1950s.
• 
  A photograph of the village of Darlington looking northeast from Bailey's Corner (currently the intersection of Shuresville Road and Route 161, or Main Street, and Kirk Road).

• Darlington Historic District, Harford County, including photo dated 2000, at Maryland Historical Trust
• Boundary Map of the Darlington Historic District, Harford County, at Maryland Historical Trust