Saud bin Faisal bin Abdulaziz Al Saud (Arabic: سعود بن فيصل بن عبد العزيز آل سعود‎), also known as Saud Al Faisal (Arabic: سعود الفيصل‎‎; 2 January 1940 – 9 July 2015), was a Saudi diplomat and statesman who served as Saudi Arabia's foreign minister from 1975 to 2015. A member of the Saudi royal family, he was the longest-serving foreign minister in world history since Klemens von Metternich.

Saud bin Faisal was born in Taif on 2 January 1940. He was the second son of King Faisal and Iffat Al-Thunayan. He attended the Hun School of Princeton and graduated from Princeton University in 1964 or 1965 with a bachelor of arts degree in economics. He was the full brother of Mohammed bin Faisal, Turki bin Faisal, Luluwah bint Faisal, Sara bint Faisal and Haifa bint Faisal.

He became an economic consultant for the ministry of petroleum. In 1966, he moved to general organization for petroleum and mineral resources (Petromin). In February 1970, he became deputy governor of Petromin for planning affairs. He was also a member of the High Coordination Committee. In 1971, he became deputy minister of petroleum. Prince Saud served in this post at the oil ministry until 1975 when he was appointed as state minister for foreign affairs.

Saud bin Faisal was the foreign minister of Saudi Arabia. He was appointed to the post in October 1975. His term ended on 29 April 2015 when he was replaced by Adel al-Jubeir, a former Saudi ambassador to the United States.

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