Bandar bin Sultan bin Abdul-Aziz Al Saud (Arabic: الأمير بندر بن سلطان بن عبدالعزيز آل سعود‎) (born on March 2, 1949) is a prince of the Saudi royal family and was Saudi Arabia's ambassador to the United States from 1983 to 2005. He was appointed Secretary-General of the National Security Council by King Abdullah on 16 October 2005. He is a son of Crown Prince Sultan.

He had a close relationship with many American presidents, particularly George H. W. Bush and George W. Bush. He was often called "Bandar Bush". He was at the center of the controversy in the Al-Yamamah arms deal, a corruption scandal that involved the sale of more than 100 warplanes.

Bandar was born officially on March 2, 1949 in Taif, Saudi Arabia. His actual date of birth is reportedly later according to himself and Western think tanks. He had reportedly faked his birthday to enter the RAF.