Brockmann is a surname. Notable people with the surname include:
Dirk Brockmann (born 1969), theoretical physicist working at Northwestern University, Evanston
Gonzalo Brockmann, President of Best Western Hotels of Mexico, Central America and Ecuador, since 1985
Heinrich Brockmann (1820–1858), German physician who discovered the homologues of the Islets of Langerhans in bony fishes, the Brockmann body
Henrik Brockmann (born 1967), Danish heavy metal singer
Hermanus Brockmann (1871–1936), Dutch rower who competed in the 1900 Summer Olympics
Josef Müller-Brockmann, (1914–1996), Swiss graphic designer and teacher
Miguel d'Escoto Brockmann (born 1933), Nicaraguan diplomat, politician and Catholic priest
Suzanne Brockmann (born 1960), award winning American romantic fiction writer