Einstein is a German-Jewish surname. "Ein Stein" is German for "one stone". It is strongly associated with German-born American physicist Albert Einstein. People with the surname include:
Albert Einstein (1879–1955)
Einstein family, including:
Mileva Einstein (née Marić) (1875–1948), Serbian physicist and mathematician, first wife of Albert Einstein
Hans Albert Einstein (1904–1973), Swiss-American engineer, son of Albert and Mileva
Bernhard Caesar Einstein (1930–2008), German-American physicist, son of Hans Albert Einstein, grandson of Albert Einstein
Eduard Einstein (1910–1965), second son of Albert and Mileva
Elsa Einstein (1876–1936), cousin and second wife of Albert Einstein
Hans Einstein (1923–2012), physician, grandson of a first cousin of Albert Einstein
Alfred Einstein (1880–1952), musicologist and distant cousin of Albert Einstein
Mara Einstein (born 1959), American media scholar, marketing critic, and author distantly related to Albert Einstein
Others
An American entertainment family:
Harry Einstein (1904–1958), comedian and writer, and father of:
Bob Einstein (1942–2019), actor best known for portraying Super Dave Osborne
Albert Einstein, professionally known as Albert Brooks (born 1947), actor
Arik Einstein (1939–2013), Israeli singer
Carl Einstein (1885–1940), author and art critic
Edwin Einstein (1842–1905), U.S. congressperson from Massachusetts
Hannah Bachman Einstein (1862–1929), American social worker and activist
Izzy Einstein (c. 1880–1938), American federal police officer
Lewis Einstein (1887–1967), American diplomat and historian
Napoleon Einstein (born 1989), Indian cricketer
Siegbert Einstein (1889–1968), German civil servant and politician
Siegfried Einstein (1919–1983), German writer