Willisau District is one of the five districts () of the German-speaking Canton of Lucerne, Switzerland. Its capital is the town of Willisau. It has a population of (as of ). In 2013 its name was changed from Amt Willisau to Wahlkreis Willisau as part of a reorganization of the canton. A sixth Wahlkreis was created, but in Willisau everything else remained essentially unchanged. Willisau District consists of the following municipalities: 1992/97 survey gives a total area of without including certain large lakes, while the 2000 survey includes lakes but due to other changes is slightly lower. Mergers On 1 January 2020 the former municipality of Ebersecken merged into Altishofen. On 1 January 2021 the former municipality of Gettnau merged into Willisau. References Districts of the canton of Lucerne