Sir Oswald Victor Cheung CBE QC SC JP (Chinese: 張奧偉, 22 January 1922 – 10 December 2003) was a barrister in Hong Kong, known as the "doyen of the bar". "Ossie" was the first ethnic Chinese to become a Queen's Counsel in colonial Hong Kong, and the first Chinese chairman of the Royal Hong Kong Jockey Club. Cheung was a mentor to a number of eminent lawyers, including Audrey Eu and Margaret Ng.