Grout is a construction material.

Grout may also refer to:

• Abel Joel Grout, (1867–1947), American botanist
• Daniel A. Grout (1862-1929), Canadian-born educator in Portland, Oregon
• Donald Jay Grout (1902-1987), American musicologist
• Edward M. Grout (1861–1931), American lawyer and New York City Comptroller
• Frank Fitch Grout (1880–1958), American geologist
• Jack Grout (1910-1989), American professional golfer best known as the ‘first and only’ golf teacher of Jack Nicklaus
• James Grout (born 1927), English television and radio actor
• John William Grout (1843–1861), American Civil War officer about whom the poem "The Vacant Chair" was written
• Jonathan Grout (1737–1807), United States Representative from Massachusetts
• Josiah Grout (1842-1925), American Civil War veteran, lawyer, politician, and Governor of Vermont
• Julia Grout (1898–1984), American physical educator
• Ruth Ellen Grout (1901–1998), American health educator, sister of Julia Grout
• W. H. J. Grout (1839-1915), British inventor and manufacturer of high wheel bicycles
• Wally Grout (1927-1968), Test cricketer for Australia and Queensland
• William W. Grout (1836-1902), U.S. Representative from Vermont
• William L. Grout (1833-1908), American industrialist and co-founder of the White Sewing Machine Company (ancestor of the White Motor Company)
  • C. B. Grout, American industrialist and co-founder of the Grout Brothers Automobile Co. (1900-1912); son of William L. Grout
  • Carl Grout, American industrialist and co-founder of the Grout Brothers Automobile Co.; son of William L. Grout
  • Fred Grout, American industrialist and co-founder of the Grout Brothers Automobile Co.; son of William L. Grout

• Grout (automobile), early automobiles manufactured by the Grout brothers in Orange, Massachusetts
• Grout Township, Michigan, United States
• Harry Grout, a character in the BBC sitcom Porridge