Wang Yung-ching (Chinese: 王永慶; pinyin: Wáng Yǒngqìng; Pe̍h-ōe-jī: Ông Éng-khèng; 18 January 1917 – 15 October 2008), also called Y.C. Wang, was a Taiwanese businessman. He was best known for being the chairman of Formosa Plastics Corporation, one of Taiwan's foremost plastic manufacturing establishments until his retirement in June 2006, where he stepped down at the age of 89. In 2008, Forbes ranked him as the 178th richest person in the world with an estimated net worth of US$5.5 billion. Despite lacking any formal schooling beyond elementary school, he was ranked 2nd in the Forbes list of Taiwan's Richest in 2008.