Sheikh Khalifa Bin Zayed Al Nahyan Mosque, also known as Al Ain Grand Mosque, is the largest mosque in the city of Al Ain in the Emirate of Abu Dhabi, and one of the largest mosques in the United Arab Emirates. Open to the public since 2021, it is named after Sheikh Khalifa bin Zayed Al Nahyan, who was the Ruler of Abu Dhabi and President of the United Arab Emirates from November 2004 until his death in May 2022.