The 2017–19 Saudi Arabian purge was the mass arrest of a number of prominent Saudi Arabian princes, government ministers, and business people in Saudi Arabia on 4 November 2017. It took place weeks after the creation of an anti-corruption committee led by Crown Prince Mohammed bin Salman.

Mohammed bin Salman Al Saud is the de facto ruler of Saudi Arabia. The heir apparent to the Saudi Arabian throne, he is currently Crown Prince and Prime Minister. He is the seventh son of King Salman of Saudi Arabia and grandson of the nation's founder, King Abdulaziz.