Fislisbach is a municipality in the district of Baden in the canton of Aargau in Switzerland.

It consists of the linear village of Fislisbach and scattered single and multifamily housing developments.

The blazon of the municipal coat of arms is Azure a Cross Lorraine pattee fitchy patonce Argent[5] Fislisbach has a population (as of 31 December 2020) of 5,578.

[4] The age distribution, as of 2008[update], in Fislisbach is; 507 children or 10.0% of the population are between 0 and 9 years old and 544 teenagers or 10.7% are between 10 and 19.

[10] In the 2007, federal election the most popular party was the SVP which received 33.6% of the vote.

[9] The historical population is given in the following table:[3][8] Local football team FC Baden play at the Esp Stadium in the village.

From the 2000 census[update], 2,672 or 53.7% are Roman Catholic, while 1,298 or 26.1% belonged to the Swiss Reformed Church.