Blaustein () is a surname. Notable people with the surname include: Albert Blaustein (1921–1994), American lawyer and constitutional consultant Barry W. Blaustein (1954–2026), American screenwriter and film director David Blaustein, ABC News Radio correspondent and movie critic David Blaustein (educator) (1866–1912), Belarusian-American educator, rabbi, and social worker Jeremy Blaustein (born 1966), American translator Julian Blaustein (1913–1995), American film producer Louis Blaustein (1869–1937), American businessman and philanthropist Maddie Blaustein (1960–2008), American voice actress Susana Blaustein Muñoz, Argentine film director
See also Blaustein Building, Baltimore, Maryland Bluestein Jacob Blaustein Institutes for Desert Research, an academic facility of the Ben-Gurion University of the Negev