Harry Woodburn Blaylock (January 6, 1878 — January 25, 1928) was a Canadian lawyer and businessman.
He was born in Quebec, and graduated from McGill University with a Bachelor of Civil Law in 1903.
He married Agnes Georgina Mills on September 30, 1905.
In 1907, he moved to London, and became the assistant commissioner of the Canadian Red Cross Society in 1915 and the chief commissioner of the society in 1918.
Throughout his life, Blaylock helped construct different types of buildings and aided soldiers during World War I, and received several awards and honors for these tasks.
He died at the Royal Victoria Hospital in Montreal, at age 50.