Longdon-Upon-Tern (also known as Longdon-on-Tern or colloquially Longdon) is a village in east central Shropshire, England. It is in the unitary district of Telford and Wrekin, and is approximately 11 kilometres (6.8 mi) east of Shrewsbury and 11 kilometres (6.8 mi) north-west of Telford. Longdon-Upon-Tern is situated on the River Tern, a tributary of the River Severn.