Clachan of Campsie or Campsie (Scottish Gaelic: Clachan Chamais) is a settlement now in the East Dunbartonshire area of Scotland. It was formerly part of the county of Stirlingshire. It is situated to the south of the Campsie Fells at the foot of Campsie Glen where the Finglen and Aldessan Burns meet, forming the Glazert Water which then flows south-east until it joins the River Kelvin near Kirkintilloch.
In it are old industries, Crow Road, Jamie Wright's well, Lennox Castle, Woodhead House, St Machan's Church, and Campsie Glen.