Stout is a surname. Notable people with the surname include:
Alan Stout (1900–1983), British-Australian philosopher
Alan Stout (1932–2018), American composer
Anna Stout (1858–1931), New Zealand reformer and activist
Archie Stout (1886–1973), American cinematographer
Arlow Stout (1876–1957), American botanist
Arthur Purdy Stout (1885–1967), American surgeon and pathologist
Barry Stout (1936–2016), American politician
Bill Stout (1927–1989), an American journalist
Byron G. Stout (1829–1896), American politician
Cameron Stout (born 1971), winner of Big Brother 4 UK in 2003
Chris Stout (born 1976), British musician
Eric Stout (born 1993), American baseball player
Frank Stout (rugby union) MC (1877–1926), English rugby union player
Frank Stout (1926–2012), American artist
George Stout (1860–1944), British philosopher
Georgianna Stout (born 1967), American graphic designer
Gordon Stout (born 1952), American musician
Herald F. Stout (1903–1987), American Navy admiral
Hosea Stout (1810–1889), American missionary, lawyer and politician
Jacob Stout (1764–1855), American manufacturer and politician
James Huff Stout (1848–1910) American politician and businessman
James Stout (1910–1976), American jockey
Jeffrey Stout (born 1950), American scholar
Jennifer Park Stout (born 1976), American diplomat and businesswoman
Joan Leemhuis-Stout (born 1946), Dutch politician
Jordan Stout (born 1998), American football player
Juanita Kidd Stout (1919–1998), American attorney
Kristie Lu Stout (born 1974), American journalist and news anchor
Lansing Stout (1828–1871), American politician and lawyer
Lori Kay Stout (born 1962), American sculptor
Martha Stout (born 1953), American psychologist and author
Matt Stout, American online nosebleed-stakes poker player and live midstakes poker player with 8 Circuit rings Michael Stout (born 1980), American video game designer Mike Stout, American activist and musician Mitchell W. Stout (1950–1970), American soldier and Medal of Honor recipient Penelope Stout (1622–1732), Dutch settler Penrose Stout, American architect Percy Stout (1875–1937), English rugby union player Pete Stout (1923–1996), American football player Randall Stout (1958–2014), American architect Renee Stout (born 1958), American sculptor Rex Stout (1886–1975), American author Richard Stout (1836–1896), American sailor and Medal of Honor recipient Robert Stout (1844–1930), New Zealand politician Ryan Stout (born 1982), American comedian Sam Stout (born 1984), Canadian mixed martial artist Samuel Van Dyke Stout (1786–1850), American politician Samuel Hollingsworth Stout (1822–1903), American surgeon Tom Stout (1879–1965), American politician William Bushnell Stout (1880–1956), American inventor and engineer William Stout (born 1949), American fantasy artist and illustrator William Stout (1841–1900), British rower