Dann is an English surname. It is a toponymic surname which came from Middle English dene and Old English denu, "valley". Variant spellings include Dan and Dane.
According to statistics compiled by Patrick Hanks on the basis of the 2011 United Kingdom census and the Census of Ireland 2011, 2,666 people on the island of Great Britain and 54 on the island of Ireland bore the surname Dann as of 2011. In the 1881 United Kingdom census there had been 1,858 people with the surname Dann, primarily at Kent, Sussex, London, and Norfolk. The 2010 United States census found 3,735 people with the surname Dann, making it the 8,775th-most-common name in the country. This represented a decrease from 4,062 (7,550th most-common) in the 2000 census. In both censuses, nearly nine-tenths of the bearers of the surname identified as non-Hispanic white, and about six percent as non-Hispanic Black or African American.
People with this surname include:
Artists and musicians
Hollis Dann (1861–1939), American music educator and choral director
Stan Dann (1931–2008), American wood carver
Georgie Dann (1940–2021), French singer
Larry Dann (born 1941), British film and television actor
Steven Dann (born 1953), Canadian violist
Penny Dann (1964–2014), British children's book illustrator
Sophie-Louise Dann (born 1969), British musical theatre actress
Lance Dann (fl. 1994–present), British sound and radio artist
Sportspeople
Reg Dann (1916–1948), English football midfielder
Gordon Dann (born 1944), Australian rules footballer
Donald Dann (1949–2005), Australian Paralympic athlete and table tennis player
Kevin Dann (1958–2021), Australian rugby league footballer
Scott Dann (boxer) (born 1974), English amateur boxer
Scott Dann (born 1987), English football centre-back
Thomas Dann (born 1981), English cricketer
Walter Dann (fl. 1968–1976), Canadian Paralympic athlete
Writers
George Landen Dann (1904–1977), Australian playwright, writer, and draftsman
Colin Dann (born 1943), British writer of children's books
Jack Dann (born 1945) American science fiction writer
Lotta Dann, New Zealand journalist
Trevor Dann (born 1951), British writer and broadcaster
Patty Dann (born 1953), American novelist and nonfiction writer
Others
Christian Adam Dann (1758–1837), German Lutheran pastor
Wallace Dann (1847–1934), American local politician in Norwalk, Connecticut
Alf Dann (1893–1953), British trade union leader
Belinda Dann (1900–2007), Indigenous Australian woman known as a member of the Stolen Generation
Bob Dann (1914–2008), Anglican Archbishop of Melbourne, Australia
Michael Dann (1921–2016), American television executive
Mary Dann and Carrie Dann (respectively 1923–2005 and 1931–2021), Native American activists
Laurie Dann (1957–1988), American murderer
Marc Dann (born 1962), American politician
Tim Dann, British voice actor