Khuang Aphaiwongse (17 May 1902 - 15 March 1968) was the fourth prime minister of Thailand. He served from 1 August 1944 until 31 August 1945, from 21 January 1946 until 18 March 1946, from 10 November 1947 until 6 February 1948 and from 21 February 1948 until 8 April 1948. Kuang Apaiwong was born in Pratabong, Cambodia. His parents were Mr Chum and Lady Rod Apaiwong. He married Lady Lakha Apaiwong. Kuang Apaiwong began to study with his uncle at Apaipittayakan School. He later studied at Teapsirin School and Assamchan college. Then he went to study engineering in France.