Wettenhausen Abbey (German: Kloster Wettenhausen, Reichsabtei Wettenhausen) was an Imperial Abbey of Augustinian Canons until its secularization in 1802-1803. Being one of the 40-odd self-ruling Imperial Abbeys of the Holy Roman Empire, Wettenhaussen Abbey was a virtually independent state. Its abbot had seat and voice in the Imperial Diet, where he sat on the Bench of the Prelates of Swabia.