Barnham Heath is a 78.6 hectare biological Site of Special Scientific Interest near Barnham, a village south of Thetford in Suffolk. It is a Nature Conservation Review site, Grade 2, and part of the Breckland Special Protection Area under the European Union Directive on the Conservation of Wild Birds
This site has areas of acidic heathland with damp grassland in river valleys. Gravel workings and scrub have produced habitats valuable to birds such as nightingales and whitethroats. Birds found on open heathland include stone curlews, a protected species, and wheatears. Six species of lichen and eight of moss have been recorded.
