Clive Leslie Lucas OBE (born 14 November 1943) is an Australian restoration architect and was once the principal and founding partner of the firm Clive Lucas, Stapleton & Partners – Architects and Heritage Consultants now known as Lucas Stapleton Johnson, which specializes in the field of architectural restoration. He is a current Board Member of the National Trust of Australia (NSW) and member of the Trust’s Properties Committee. He was previously Vice-President of the Trust and Founder, former Chairman and Trustee of the Historic Houses Trust of NSW (now Sydney Living Museums).