{{Translated|de|Hallwil}}
Hallwil is a municipality in the district of Lenzburg in the canton of Aargau in Switzerland.
The Castle of Hallwyl is located in the neighboring municipality Seengen.
Ammerswil | Boniswil | Brunegg | Dintikon | Egliswil | Fahrwangen | Hallwil | Hendschiken | Holderbank | Hunzenschwil | Lenzburg | Meisterschwanden | Möriken-Wildegg | Niederlenz | Othmarsingen | Rupperswil | Schafisheim | Seengen | Seon | Staufen
Aargau | Districts of Canton Aargau | Municipalities of the canton of Aargau