Abdul-Rahman bin Abdulaziz (عبد الرحمن بن عبد العزيز آل سعود, ʿAbd ar-Raḥman ibn ʿAbd l-ʿAzīz Āl Saʿūd) (born 1931) is a senior member of the House of Saud and former deputy minister of defense and aviation.

Prince Abdul Rahman was born in 1931 to Ibn Saud, Hassa Al Sudairi. As of 21 January 2017^[update] he is the eldest living member of the Sudairi Seven.

Prince Abdul Rahman is the first of King Abdulaziz's sons to study in the West. He received a Bachelor of Arts degree from the University of California, Berkeley and is a graduate of the California Military Academy.

Abdul Rahman bin Abdulaziz served as the counsellor of Royal Family affairs in the mid-1970s. He replaced his full brother, Prince Turki (II), as the Kingdom's deputy minister of defense and aviation in 1978, when the latter resigned. Before his appointment, Prince Abdul Rahman was a businessman. He served in this post from 1978 to 5 November 2011. During the 1980s, when he was deputy minister, he is reported to have provided the food service to the ministry through his own large food service company.

During the late Prince Sultan’s absence from the Kingdom due to his treatment abroad, he stepped up his activity at the ministry. He was often described as having grown more ornery with age.

Abdul Rahman bin Abdulaziz was relieved from his post as deputy minister on 5 November 2011. Al-Quds Al-Arabi reported that he was dismissed by King Abdullah after being unhappy at being bypassed for selection as Crown Prince in favor of late Prince Nayef and subsequently refusing to declare allegiance for the latter. It is further reported that he argued he should have been promoted.

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