The Arnaudija Mosque () is a large mosque in Banja Luka, Bosnia and Herzegovina. The mosque was destroyed by the Army of Republika Srpska in 1993 but was rebuilt and reopened in 2024. In 2003, the Arnaudija Mosque was designated as a National Monument by the Commission to Preserve National Monuments of Bosnia and Herzegovina.

History

The mosque was built in 1595 under Hasan Defterdar, finance minister of the Eyalet of Bosnia. and the mosque was officially reopened in May 2024.