- Allen Melancthon Sumner (1882-1918), American marine soldier
- Bernard Sumner (born 1956), British musician
- Brian Sumner (born 1979), British skateboarder
- Charles Sumner (1811-1874), American politician
- Charles Richard Sumner (1790-1874), British religious leader
- Cid Ricketts Sumner (1890-1970), American novelist
- Claude Sumner , Canadian/Ethiopian philosopher
- Edwin Vose Sumner (1797-1863), American soldier
- Gordon Sumner (born 1951), the British musician Sting
- Heywood Sumner (1853-1940), English artist, designer, writer and archaeologist
- Increase Sumner (1746-1799), American politician & jurist
- J. D. Sumner (1924-1998), American singer & songwriter
- James B. Sumner (1887-1955), American biochemist
- Jake Sumner (born 1985), British model
- Jethro Sumner , American Revolutionary War general
- Joe Sumner (born 1976), British musician
- John Sumner (1936-2004), British mountaineer
- John Bird Sumner (1780-1862), British religious leader
- Joseph Burton Sumner (1837-1920), American settler
- Kelly Sumner , British businessman
- L. W. Sumner , Canadian philosopher
- Mary Sumner (1828–1921), founder of the Mothers' Union
- Robert Sumner (born 1922), American evangelist & writer
- Samuel S. Sumner (1842-1937), American general
- Steve Sumner (fl. 1980s), New Zealand football player
- Thomas Hubbard Sumner (1807-1876), American mariner
- Timothy Sumner , British astronomer
- William Graham Sumner (1840-1910), American sociologist
- William Hyslop Sumner (1780-?), Boston historical figure
Also
- Sumner Crane , Vocalist who formed the band Mars
- Julius Sumner Miller , (1909-1987), American physicist, Disney's Professor Wonderful
- Sumner Paine , 1896 Olympic Shooting gold and silver medalist.
- Sumner Chilton Powell , winner of the Pulitzer Prize For History in 1964
- Sumner Redstone (or Sumner Murray Rothstein), (born 1923), Chairman of Viacom
- Charles Sumner Tainter , (1854-1940), inventor
- Sumner Welles , (1892-1961), U. S. Undersecretary of State
- Sumner the Wizard, a mage who leads the players through the worlds in the video game Gauntlet Dark Legacy .
- In the United States Of America :
- --- Sumner, Georgia
- --- Sumner, Illinois
- --- Sumner, Iowa
- --- Sumner, Maine
- --- Sumner, Michigan
- --- Sumner, Mississippi
- --- Sumner, Missouri
- --- Sumner, Nebraska
- --- Sumner, Washington
- ---There are 3 places called Sumner in the State of Wisconsin :
-- Sumner, Barron County, Wisconsin
-- Sumner, Jefferson County, Wisconsin
-- Sumner, Trempealeau County, Wisconsin
- --- Sumner County, Kansas
- --- Sumner County, Tennessee
- --- Sumner Township, Michigan
- --- Sumner Township, Minnesota
- --- Fort Sumner, New Mexico
- --- Lake Sumner, New Mexico
- In Haiti :
- --- Avenue Charles Sumner, in the capital city, Port-au-Prince
- In New Zealand :
- --- Sumner, New Zealand , a seaside suburb of Christchurch, New Zealand
- --- Lake Sumner
- Sumner (crater) , a crater on the moon
- The Sumner Method , a way of finding a ship's location at sea; William Thomson (Lord Kelvin) calculated a set of tables for its ready application.
- The Sumner Tunnel , a vehicular tunnel in Boston, Massachusetts .
- , a World War II Liberty Ship
- USS ''Sumner'' , a number of U.S. Navy ships, including
- --- USS ''Sumner'' (DD-333) , Clemson-class destroyer
- --- USS ''Sumner'' (AGS-5) , survey ship
- --- USS ''Allen M. Sumner'' (DD-692) , destroyer, namesake of class (see Allen M. Sumner Class Destroyer )
|