Barnsley is a market town in South Yorkshire, England.

Barnsley may also refer to:

in England

• Metropolitan Borough of Barnsley, a local government district in South Yorkshire
• Barnsley (UK Parliament constituency), South Yorkshire
• Barnsley, Gloucestershire, a village
• Barnsley, Shropshire, a village
• Barnsley Manor, a manor house on the Isle of Wight

Elsewhere

• Barnsley, New South Wales, Australia
• Barnsley, Manitoba, Canada
• Barnsley, Kentucky, United States

• Barnsley (surname)

Mathematics

• Barnsley fern, a fractal named after the British mathematician Michael Barnsley

in South Yorkshire, England

• Barnsley Building Society
• Barnsley Canal
• Barnsley F.C., a professional football club
• Barnsley (speedway), a speedway team