Longdon-upon-Tern is a village in the civil parish of Rodington, in the unitary district of Telford and Wrekin, in Shropshire, England. It is approximately 7 miles (11 km) east of Shrewsbury and 7 miles (11 km) north-west of Telford. Longdon-Upon-Tern is situated on the River Tern, a tributary of the River Severn. In 1971, the parish had a population of 127.