| Type: | Stadt |
| Image Coa: | Wappen_Stadtilm.jpg |
| Coordinates: | 50.775°N 11.0808°W |
| Image Plan: | Stadtilm in IK.svg |
| State: | Thüringen |
| District: | Ilm-Kreis |
| Elevation: | 360 |
| Area: | 120.26 |
| Postal Code: | 99326 |
| Area Code: | 03629 |
| Licence: | IK |
| Gemeindeschlüssel: | 16 0 70 048 |
| Website: | www.stadtilm.de |
| Mayor: | Lars Petermann[1] |
| Leader Term: | 2024 - 30 |
| Party: | parteilos |
Stadtilm is a town in the Ilm-Kreis district, in Thuringia, Germany. It is situated on the river Ilm, 15 km northeast of Ilmenau, and 11 km southeast of Arnstadt. In July 2018 the former municipality of Ilmtal was merged into Stadtilm.
| Term of office | Name | Party | |
|---|---|---|---|
| 2000-2012 | Joachim Günsel | SPD | |
| since July 2012 | Lars Petermann | independent |
Within the German Empire (1871-1918), Stadtilm was part of the Principality of Schwarzburg-Rudolstadt.