Muqrin bin Abdulaziz Al Saud (Arabic: مقرن بن عبدالعزيز آل سعود‎‎; born 15 September 1945) is a member of House of Saud who served as Crown Prince of Saudi Arabia from January to April 2015. He was Director General of Al Mukhabarat Al A'amah (Saudi Intelligence Agency) from 2005 to 2012. In July 2012, Muqrin was appointed King Abdullah's Advisor and Special Envoy with the rank of minister. On 1 February 2013, King Abdullah named him as Second Deputy Prime Minister, being the fifth Saudi royal to hold this position. This post was previously held by King Fahd, King Abdullah, Crown Prince Sultan, and Crown Prince Nayef. On 27 March 2014, he was named Deputy Crown Prince making him second in the line of succession behind his brother Salman bin Abdulaziz Al Saud. On 23 January 2015, upon King Abdullah's death and the accession of King Salman, Muqrin became Crown Prince and First Deputy Prime Minister. On 29 April 2015, King Salman replaced Prince Muqrin with Prince Muhammad bin Nayef as Crown Prince.

Muqrin bin Abdulaziz was born in Riyadh on 15 September 1945, or 1943. He is the 35th and, following the death of his younger half-brother Hamoud in 1994, the youngest surviving son of King Abdulaziz. His mother, Baraka Al Yamaniyah, was Yemeni. who was the eighteenth spouse of King Abdulaziz.

Muqrin studied at the Riyadh Model Institute. He, then, went to Britain's RAF College in Cranwell and graduated with a degree in aeronautics at the rank of flight lieutenant in 1968. He also received a diploma, equivalent to a master's degree, from the General Staff course in the United States in 1974.

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