Aulendorf () is a town in the district of Ravensburg, in Baden-Württemberg, Germany. It is situated 20 kilometres (12 miles) southwest of Biberach an der Riß, and 19 kilometres (12 miles) north of Ravensburg. Aulendorf exists of the town itself along with the incorporated villages Tannhausen, Bloenried and Zollenreute. Aulendorf is well known in Upper Swabia for its catholic all-day high school "Studienkolleg St. Johann" founded by the Styler Missionaries. It was once the capital of the historic German statelet of Königsegg.