Catherine Murray Roy, CBE, RRC, MM was a Scottish military nurse during World War I. She was the daughter of John Roy, minister of the parish of Drymen, and trained at the Western Infirmary, Glasgow, before joining the regular army as a staff nurse in 1909. She was one of the first 50 British nurses to go to the front in 1914. She served in both France and Belgium and was mentioned in despatches.