Small is an English and Scottish surname, and it derives from the Old Norse Smålig meaning someone who is narrow or thin. Notable people with the surname include:
- A. Francis Small (1946–2021), New Zealand engineer and scouting leader
- Albion Woodbury Small (1854–1926), founded the first Department of Sociology in the United States at the University of Chicago
- Ambrose Small (1863 – vanished 1919), Canadian theatre magnate
- Anthony Small (born 1981), British ex-boxing champion and Islamic political activist also known as Abdul Haq
- Archie Small (1889–1955), English footballer with Southampton
- Bertrice Small (1937–2015), American writer of historical and erotic romance novels
- Brendon Small (born 1975), American actor, composer, and musician
- Bruce Small (1895–1980), Australian businessman and politician
- Charles A. Small, Director of The Yale Initiative for the Interdisciplinary Study of Antisemitism
- Charlotte Small (1785–1857), Métis wife of explorer David Thompson
- Chris Small (born 1973), Scottish professional snooker player
- Daniel R. Small (born 1984), American contemporary artist
- Drink Small (born 1933), American blues guitarist, pianist, singer, and songwriter
- Edward Small (1891–1977), American film producer
- Elisha Small (died 1842), American sailor
- Ernest Gregor Small (1888–1944), American admiral
- Ethan Small (born 1997), American baseball player
- Florence Small (1860-1933), English painter
- Frank Small Jr. (1896–1973), represented the fifth district of the state of Maryland in the United States House of Representatives
- Fred Small (American football) (1963–2003), American football player
- Fred Small (singer-songwriter) (born 1952), American singer-songwriter
- Geoffrey B. Small, American fashion designer
- Gladstone Small (born 1961), England cricketer
- Heather Small (born 1965), British soul singer
- Henry Small (footballer) (1881–1946), English footballer with Southampton and Manchester United
- Henry Small (singer) (born 1948), Canadian singer
- Jabari Small (born 2002), American football player
- Jack Small (1765–1836), English cricketer
- Jack Small (footballer) (1889–1946), English footballer with Sunderland and Southampton
- James Edward Small (1798–1869), lawyer, judge and political figure in Canada
- James Small (inventor) (1730–1793), Scottish inventor
- James Small (rugby union) (1969–2019), South African rugby union footballer
- Joe Small (cricketer) (1892–1958), West Indian cricketer
- John Small (disambiguation), multiple people
- Len Small (1862–1936), Republican governor of Illinois
- Marty Small Sr. (born 1974), American politician
- Mews Small (born 1942), American actress
- Michael Small (1939–2003), American film score composer
- Millie Small (1947–2020), Jamaican singer born Millicent Dolly May Small
- Milton Small, (born 1964), West Indian cricketer
- Nellie Small (1900–1968), Australian entertainer
- Pauline Small (1924–2005), American Crow Indian leader
- Phil Small (born 1954), Australian bassist
- Richard H. Small (born 1935), American scientist, responsible for creating the algorithms for calculating loudspeaker cabinets together with Albert Neville Thiele (Thiele/Small parameter)
- Sami Jo Small (born 1976), Canadian ice hockey goaltender
- Scott A. Small, American neuroscientist and neurologist
- Sharon Small (born 1967), Scottish actress
- Sherrod Small, American comedian
- Steven L. Small, American professor and dean
- Taylor Small, American politician
- Viro Small (1854–?), catch wrestler and boxer of African descent
- Willard Stanton Small (1870–1943), American experimental psychologist
- Wade Small (born 1984), footballer
- William Small (1734–1775), Scottish physician, professor and member of the Lunar Society
- William Small (Scottish politician) (1909–1978), Scottish Labour politician, MP for Glasgow constituencies from 1959 to 1978
- Wilson Small (1810–1886), New York politician, businessman and civil servant
Fictional characters
- Diogenes Small, in the Inspector Morse series of books
- Leon Small, from the BBC soap opera EastEnders