Richard Leigh Cruess, CC OQ FRSC (born December 17, 1929) is a Canadian orthopaedic surgeon and academic.
Born in London, Ontario, he received his Bachelor of Arts degree from Princeton University in 1951 and his Doctor of Medicine degree from the Columbia University College of Physicians and Surgeons in 1955.
From 1970 to 1982, he was also the Surgeon-in-Chief at the Shriners Hospital for Children – Canada in Montreal.
From 1981 to 1995, he was the Dean of the McGill University Faculty of Medicine.
In 1994, he was made a Member of the Order of Canada; he was promoted to Officer in 1999 and to Companion in 2014.