Sheikh Lutfollah Mosque is one of the architectural masterpieces of Safavid Iranian architecture, standing on the eastern side of Naghsh-i Jahan Square, Isfahan, Iran.
Construction of the mosque started in 1603 and was finished in 1618. It was built by the chief architect Shaykh Bahai, during the reigh of Shah Abbas I of the Safavid dynasty.
It is registered, along with the Naghsh-e Jahan Square, as a UNESCO World Heritage Site.