Ridout is a surname. Notable people with the surname include:
Alan Ridout (1934–1996), British composer and teacher Alexandra Ridout (born 1998), British jazz trumpeter Dudley Ridout (1866–1941), British soldier George Percival Ridout (1807–1873), British-Canadian merchant and politician Godfrey Ridout (1918–1984), Canadian composer and teacher Heather Ridout (born 1954), Australian businesswoman Herbert C. Ridout (1881–1948), British journalist and writer John Ridout (died 1817), Canadian duel victim Louis Ridout (born 1990), English bowls player Matilda Ridout Edgar (1844–1910), Canadian historian and feminist Ronald Ridout (1916–1994), British textbook author Thomas Ridout (disambiguation), several people Timothy Ridout (born 1995), British violist
See also Rideout