Stilli is a former municipality of the canton of Aargau, Switzerland. On 1 January 2006, it merged with its neighbouring municipality, Villigen.
In 2000[update] there was a total of 200 workers who lived in the municipality. Of these, 173 or about 86.5% of the residents worked outside Stilli while 23 people commuted into the municipality for work. There were a total of 50 jobs (of at least 6 hours per week) in the municipality.
Coordinates: 47°31′N 8°12′E / 47.517°N 8.200°E