Aidhausen is a municipality in the district of Haßberge in Bavaria in Germany, it is a member of the Verwaltungsgemeinschaft Hofheim in Unterfranken.
Aidhausen is located in the Main-Rhön region. It is divided into the following districts: Aidhausen, Friesenhausen, Happertshausen, Kerbfeld and Nassach.
Aidhausen was an office of the prince-bishopric of Würzburg. After the secularization it was given to Ferdinand III, Grand Duke of Tuscany for building up the Großherzogtum Würzburg. In the 1814 Treaty of Paris, it was given back to Bavaria.
The parliament in Aidhausen has 13 members including the mayor. The CSU has 8 MPs, the "Freie Wähler" has 5 MPs.
The mayor is Dieter Möhring (Freie Wähler).