Unterstammheim was a municipality of the district of Andelfingen in the canton of Zürich in Switzerland. On 1 January 2019, the former municipalities of Oberstammheim, Unterstammheim and Waltalingen merged into the new municipality of Stammheim.
Unterstammheim was a municipality of the district of Andelfingen in the canton of Zürich in Switzerland. On 1 January 2019, the former municipalities of Oberstammheim, Unterstammheim and Waltalingen merged into the new municipality of Stammheim.