Robert Henry Grant (August 5, 1860 – November 26, 1930) was a politician in Ontario, Canada.
He was a United Farmer member of the Legislative Assembly of Ontario from 1919 to 1923.
The nearby Grant Crossing shopping area is also named after the family farm which once stood on the land.
In 1917, he served as the District Deputy Grant Master for the Ottawa area.
From 1919 to 1923, he was the Minister of Education in the cabinet of Ernest Charles Drury.