Grant Martin Hudson (July 23, 1868 – October 26, 1955) was a politician from the U.S. state of Michigan. Hudson was born in Eaton Township, Lorain County, Ohio. He attended the common schools and graduated from Kalamazoo College, Kalamazoo, Michigan. He also attended the University of Chicago. He was a minister at Dowagiac, Michigan, 1894–1896, and engaged in mercantile pursuits in Schoolcraft, Michigan, in 1896. He was a member of the Michigan House of Representatives, 1905–1909, and was president of the village of Schoolcraft, 1909–1911. He was a member of the State industrial accident compensation commission in 1920 and 1921.