Stout is a surname. Notable people with the surname include:
Alan K. Stout, a rock music journalist in Pennsylvania
Alan Stout (philosopher) (1900–1983), a moral philosopher at the University of Sydney
Alan Stout (composer) (born 1932), an American composer of contemporary classical music
Archie Stout, a second unit photographer whose career spanned from 1921 to 1954
Arlow Stout (1876–1957), an American botanist, pioneer breeder of the modern hybrid daylily
Arthur Purdy Stout, (1885–1967), an American pathologist
Barry Stout (1936–2016), a Democratic member of the Pennsylvania State Senate
Bill Stout (journalist) (1927–1989), an American broadcast journalist
Byron G. Stout (1829–1896), a politician from the U.S. state of Michigan
Cameron Stout (born 1971), the winner of Big Brother 4 UK in 2003
Chris Stout (born 1976), a fiddle/violin player from Shetland
David Stout Manners (1808–1884), the ninth mayor of Jersey City
Frank Stout MC (1877–1926), an English international rugby union forward
Frank Stout (painter & sculptor) (born 1926), an American artist
George Stout (1860–1944), a leading British philosopher
Gordon Stout (born 1952), an American percussionist, composer, and educator specializing in the marimba
Hosea Stout (1810–1889), a Mormon missionary, lawyer and politician in Utah Territory
Jacob Stout (1764–1857), an American manufacturer and politician from Little Creek Hundred
James Huff Stout (1848–1910) an American politician and businessman
James Stout (1910–1986), an American thoroughbred horse racing jockey
Jeffrey Stout (born 1950), a contemporary scholar of religion who focuses on ethics
Joan Leemhuis-Stout (born 1946), a Dutch politician
Juanita Kidd Stout (1919–1998), a justice of the Supreme Court of Pennsylvania from 1988–1989
Kristie Lu Stout (born 1974), an American journalist and news anchor for CNN International
Lansing Stout (1828–1871), an American politician and lawyer
Lori Kay Stout (1962), an American sculptor
Martha Stout, American psychologist and author
Michael Stout, an American video game designer
Mike Stout, an American labor supporter, social activist and protest singer
Mitchell W. Stout (1950–1970), a United States Army soldier and a Medal of Honor recipient
Percy Stout (1875–1937), an English international rugby union wing
Pete Stout (1923–1996), an American football fullback
Randall Stout, a Los Angeles, California-based architect
Renee Stout (born 1958), a contemporary artist known for assemblage artworks
Rex Stout (1886–1975), an American crime writer
Richard Stout (1836–1896), a Union Navy sailor during the American Civil War and a Medal of Honor recipient
Robert Stout KCMG (1844–1930), Premier of New Zealand on two occasions in the late 19th century, and later Chief Justice of New Zealand
Ryan Stout (born 1982), an American stand-up comedian
Sam Stout (born 1984), a professional mixed martial artist from London, Ontario, Canada
Tom Stout (1879–1965), a U.S. Representative from Montana
William Bushnell Stout (1880–1956), an executive at the Ford Motor Company
William Stout (born 1949), an American fantasy artist and illustrator
William Stout (rower) (1841–1900), a British rower