Khalid bin Abdulaziz Al Saud (13 February 1913 – 13 June 1982) was King and Prime Minister of Saudi Arabia from 25 March 1975 until his death in 1982. Before his ascension, he was Crown Prince of Saudi Arabia. Khalid is the fifth son of King Abdulaziz, the founder of the Kingdom of Saudi Arabia.
Khalid was the son of King Abdulaziz and Al Jawhara bint Musaed Al Saud. He assisted his half-brother Prince Faisal in his duties as foreign minister of Saudi Arabia. Khalid served as viceroy of the Hejaz region for a brief time in the 1930s. He visited the United States in 1943 together with Faisal, establishing diplomatic relations between the two countries. He was appointed deputy prime minister of Saudi Arabia in 1962.