Kornblum is a surname, and may refer to:
Allan Kornblum (1938–2010), American judge Allan Kornblum (publisher) (1949–2014), American poet and independent publisher I. B. Kornblum (1895–1996; né Isadore Benjamin Kornblum), American composer, lawyer, and pianist John C. Kornblum (1943–2023), American diplomat and businessman Lori Kornblum, American lawyer and judge from Wisconsin Nathan Kornblum (1914–1993), American organic chemist Ronald Kornblum (1933–2008), American coroner
See also Kornblum oxidation, chemical reaction of a primary halide with dimethyl sulfoxide (DMSO) to form an aldehyde Kornblum–DeLaMare rearrangement, rearrangement reaction in which a primary or secondary organic peroxide is converted to the corresponding ketone and alcohol under base catalysis Boris Korenblum (1923–2011), Soviet-Israeli-American mathematician