Hans Jacob Nørregaard (born 13 June 1832 in Christiania, died 30 March 1900) was a Norwegian colonel, aide-de-camp to king Charles and chairman of the Christiania Military Society.
He was a member of the Royal Swedish Academy of War Sciences and has published several articles on military affairs.
[1] He was a son of captain of the artillery and deputy stable master at the Royal Court Paul Ludvig Rudolf Nørregaard (1804–34) and Sarine Pauline Bølling (1808–1899).
After his father died 30 years old, his mother remarried to the physician and Surgeon General Jens Johan Hjort (1798–1873).
They were the parents of the noted war correspondent Benjamin Wegner Nørregaard (1861–1935), the wine merchant and consul in Tarragona Ludvig Paul Rudolf Nørregaard (1863–1928) and the barrister and president of the Norwegian Bar Association Harald Nørregaard (1864–1938), who founded the law firm today known as Hjort.