Sir Oswald Victor Cheung, CBE, QC, SC, JP (張奧偉爵士) (1922－2003) was an eminent 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.