The Song Dynasty historian Ouyang Xiu traced the Ouyang surname to Di, a prince of . After his state was extinguished by the state of , Di and his family was living in the south side of the Mount Ouyu . In Chinese the south side of a mountain or the north bank of a river is called Yang（阳）, thus the Di family was called Ouyang. He was called Marquis of Ouyang ting . Traditionally, Di's ancestry can be traced through his father Wujiang , the King of Yue, to the semi-legendary Yu the Great.
In terms of distribution Ouyangs have mostly been confined to southern China, especially the areas of southern Jiangxi, central Hubei and eastern Henan, with smaller pockets in Guangdong, Sichuan, Hunan and Guangxi.
Dailian, near Zhongshan City in Guangdong, China has been documented of having extensive History of Owyang, family records and family trees have been created and distributed to family members around the globe, commonly known as the Owyang Genealogy Book
The most prominent of the Ouyang clans historically was undoubtedly that of Yongfeng in Jiangxi, which produced a number of scholars who reached prominence in the imperial bureaucracy. Genealogical lineages and family trees have been established for a number of Ouyang clans around China, showing migration patterns from the Song to the Qing Dynasty.
Immigration outside of China
There was a large immigration of Ouyang's in the late 1800s and early 1900s to the San Francisco Bay area, . In summer of 2005, the first extended Ouyang family reunion was held in , near . Over 200 Ouyangs attended and included speeches, sharing, family trees and documentation. This group continues to communicate using Ouyang Yahoo! Groups and spans members from across North America and beyond.
Famous people with this surname
*Ouyang Ziyuan Chinese cosmochemist and geochemist, chief scientist in charge of the
*Ouyang Xiu Song Dynasty scholar
*Ouyang Xun Tang Dynasty scholar
*P. K. Ojong, co-founder of Indonesian newspaper Kompas
* Hip Hop Artist
*Bobby Au-Yeung Hong Kong actor
*J.H. Au-Yong, MSc, a fellow researcher, http://turbo-dsr.blogspot.com
*Ouyang Yongle, PhD, Researcher in Chinese Constitutional Law.
*Owyang Sharon, film production, book author http://imdb.com/name/nm0654537/
*Ouyang Lucille, assistant director of many major movie titles http://www.imdb.com/name/nm0653716/
*Ouyoung Juliet, costume designer http://www.jouyoung.com/ http://imdb.com/name/nm0653718/