(May 28, 1841 – July 19, 1925) was an American lawyer and politician in the US state of Vermont.
Born in the British Canadian Province of Lower Canada to Vermonter parents, he served in the American Civil War as a Union Army officer before entering the legal profession after the war.
A Republican, he entered politics and was elected to both houses of the Vermont General Assembly, serving as Speaker of the Vermont House of Representatives.
Grout was elected the 46th Governor of Vermont and served from 1896 to 1898.