Bosanquet is a surname. Notable people with the surname include:
Bernard Bosanquet (philosopher) (1848–1923), English philosopher Bernard Bosanquet (cricketer) (1877–1936), English cricketer, credited with inventing the googly, a bowling technique Caroline Bosanquet (1940–2013), British cellist, music teacher and composer Charles Bosanquet (1769–1850), English official and writer Charles Ion Carr Bosanquet (1903–1986), first Vice-Chancellor of Newcastle University Admiral Sir Day Hort Bosanquet (1843–1923), 16th Governor of South Australia Sir Frederick Albert Bosanquet, KC, JP (1837–1923), Common Serjeant of London Helen Bosanquet (1860–1926), English social theorist and social reformer Jacob Bosanquet Jr. (1755–1828), High Sheriff of Hertfordshire and Chairman of the East India Company James Whatman Bosanquet (1804–1877), English banker and writer on biblical chronology Sir John Bosanquet KS PC (1773–1847), British judge Lancelot Stephen Bosanquet (1903–1984), English mathematician Sir Oswald Bosanquet (1866–1933), British administrator in India Reginald Bosanquet (1932–1984), British journalist and broadcaster Robert Carr Bosanquet (1871–1935), British archaeologist Robert Holford Macdowall Bosanquet (1841–1913), English scientist and music theorist Sir Ronald Courthope Bosanquet (1868–1952), English barrister and Official Referee of the Supreme Court Samuel Richard Bosanquet (1800–1882), English barrister and writer on legal, social and theological topics Theodora Bosanquet (1880–1961), British amanuensis and editor, William Cecil Bosanquet (1866–1941), English physician