Rear Admiral Desmond William Piers, CM DSC CD (June 12, 1913 – November 1, 2005) was a rear-admiral in the Royal Canadian Navy. Born in Halifax and long-time resident of Chester, Nova Scotia, Piers served in the RCN from 1932 to 1967. In 1930, he was the first graduate of the Royal Military College of Canada (student # 2184) to join the RCN. He became agent general of Nova Scotia in the United Kingdom in 1977.