Eisenberg (German: habitational name from any of several places so named from Middle High German īsen "iron" + berg "mountain, hill") is a German surname. Notable people with the surname include:

Arlene Eisenberg (1934–2001), American author Arlo Eisenberg (born 1973), American aggressive inline skater Aron Eisenberg (1969–2019), American actor Billy Eisenberg (1937–2025), American bridge and backgammon player David Eisenberg (born 1939), American biochemist Emma Copley Eisenberg, American writer Filip Eisenberg (1876–1942), Polish physician and bacteriologist Hallie Eisenberg (born 1992), American actress Howard Eisenberg (born 1926), American author Jacob Eisenberg (1897–1965), Israeli artist Jacob Eisenberg (musician) (1898–1964), American pianist, author and teacher Jerome M. Eisenberg (1930–2022), American dealer Jerry Eisenberg (1937–2025), American television producer, animator, storyboard artist, and character designer Jesse Eisenberg (born 1983), American actor Jewlia Eisenberg, American musician, vocalist, and composer John Eisenberg, American lawyer and U.S. National Security Council Legal Advisor José Eisenberg (born 1945), Italian entrepreneur and founder of Eisenberg Paris Josy Eisenberg (1933–2017), French animator of television and co-scenarist of the movie Rabbi Jacob Larry Eisenberg (1919–2018), American writer Leon Eisenberg (1922–2009), American child psychiatrist, social psychiatrist and medical educator Louis Eisenberg (1876–?), Ukrainian-American chess master Ludwig Eisenberg, birth name of Lale Sokolov (1916–2006), the tattooist of Auschwitz Matthias Eisenberg (born 1956), German organist Michael Eisenberg, Israeli venture capitalist Moshe Eisenberg, birth name of Moshe Peled (1925–2000), Israeli Brigadier General Ned Eisenberg (1957–2022), American actor Ophira Eisenberg (born 1972), Canadian comic, writer, and actress Pablo Eisenberg (1932–2022), American scholar, social justice advocate, and tennis player Rebecca Eisenberg (born 1968), American entrepreneur Rebecca S. Eisenberg, American lawyer Ruth Brewer Eisenberg (1902–1996), American pianist, "Ivory" of inter-racial piano duo, Ebony and Ivory Shaul Eisenberg (1921–1997), Jewish businessman Sonja Eisenberg (1926–2017), German-American artist Susan Eisenberg (born 1964), American voice actress Zef Eisenberg (born 1973), British entrepreneur, ultra-speed motorbike racer, and television presenter

See also Aizenberg Eizenberg