DYTM Paduka Seri Begawan Sultan Sir Muda Haji Omar Ali Saifuddien III (full name: Sultan Haji Omar Ali Saifuddien Sa'adul Khairi Waddien ibni Almarhum Sultan Muhammad Jamalul Alam II, GCVO, KCMG; 23 September 1914 – 7 September 1986) was the 28th Sultan of Brunei who ruled from 4 June 1950 until his voluntary abdication from the throne on 5 October 1967.
He was also Brunei's Minister of Defence after the country's independence.
He was known as "The Architect of Modern Brunei", "The Royal Poet", and "The Father of Independence".