Herbert Augustus Blaize PC (26 February 1918 – 19 December 1989) was a Grenadian politician and leader of the Grenada National Party.
When Grenada was still a British Crown Colony he served as the first Chief Minister from 1960 to 1961, and again from 1962 to 1967.
He became the first Premier of the autonomous Associated State of Grenada briefly in 1967.
In the first elections following the 1983 coups and the American-led invasion of Grenada, he served as Prime Minister from 1984 until his death in 1989.