Helen Glass, OC OM (née Preston; October 24, 1917 - February 14, 2015) was a Canadian nurse, educator, administrator, and researcher. Born in Regina, Saskatchewan, she received a Diploma in Nursing from the Royal Victoria Hospital School of Nursing in Montreal, in 1939. She then worked in different hospitals as a nurse. She began her career in teaching nursing in 1953 at the Holy Family School of Nursing, in Prince Albert, Saskatchewan. After moving to Winnipeg in 1955, she earned a certificate in teaching and supervision from the University of Manitoba in 1958.