Ellsberg
Ellsberg is a surname. Notable people with the surname include:

 Daniel Ellsberg (1931–2023), American military analyst and whistleblower
 Edward Ellsberg (1891–1983), American military writer
 Mary Carroll Ellsberg (born 1958), American epidemiologist
 Michael Ellsberg (born 1977), American author
 Robert Ellsberg (born 1955), American non-fiction writer

See also
 Ellsberg paradox
 Nathaniel A. Elsberg (1872–1932), New York politician