Tuan Haji Othman Bin Wok (born October 8, 1924), often known as Othman Wok, is a former Singaporean politician. He was a minister in the Cabinet for 14 years. He was the Minister of Social Affairs from October 1963 to June 1977. After retiring from active politics, he was Singapore's ambassador to Indonesia and served on the boards of the Singapore Tourism Board and Sentosa Development Corporation.