Aiglsbach is a town and municipality in the Lower Bavarian district of Kelheim, Germany, and a member of the Mainburg administrative partnership, a voluntary resource-pooling agreement with three neighbouring municipalities.

The municipality comprises the following settlements: Aiglsbach, Berghausen, Gasseltshausen, Oberpindhart, Pöbenhausen, Radertshausen, Buch, Haselbuch, Gerblhäuser, Straßberg, Lindach and Moosham.

Administrative reform in the Kingdom of Bavaria led in 1818 to the creation of the municipality as it is today, the official spelling being changed in 1911 from Aigelsbach to Aiglsbach.

The name of Eichelsbach, a settlement within the municipality of Elsenfeld in the Bavarian Spessart in Lower Franconia is also sometimes spelled Egilespach.

The main tourist attraction in the area is the thirteenth century romanesque Church of Our Lady (Unsere Liebe Frau) in Gasseltshausen.