Harold S. Shapiro

| birth_place = New York, United States | death_date = | death_place = Stockholm, Sweden | doctoral_advisor = Norman Levinson | field = Mathematics | image = Harold shapiro with his eponymous polynomial coefficients.jpg | image_size = 180px | known_for = Shapiro polynomials | name = Harold Shapiro | work_institution = Royal Institute of Technology }}

Harold Seymour Shapiro (2 April 1928 – 5 March 2021) was a professor of mathematics at the Royal Institute of Technology in Stockholm, Sweden, best known for inventing the so-called Shapiro polynomials (also known as Golay–Shapiro polynomials or Rudin–Shapiro polynomials) and for work on quadrature domains. Provided by Wikipedia