Dietmannsried is a municipality in the district of Oberallgäu in Bavaria in Germany. It is located 20 kilometres (12 mi) south of Memmingem, and 15 kilometres (9.3 mi) north of Kempten. From 1988 to 2008 Dietmannsried grew by 1729 people. Since 2014 the mayor has been Werner Andres.