Ronald Joseph Arculli, GBM, GBS, CVO, OBE, JP (Chinese: ???; born 2 January 1939 in Hong Kong) is former chairman of Hong Kong Exchanges and Clearing, Non-official Members Convenor of the Executive Council of Hong Kong (Exco) and a senior partner at King & Wood Mallesons.
He is a Hong Kong solicitor and a founding partner of the law firm, Arculli, Fong, & Ng, which later merged with King & Wood Mallesons.