Academics •
Jeremy Belknap (1744–1798), American clergyman and historian •
Joanne Belknap, American criminologist •
Nuel Belnap (1930–2024), American logician and philosopher •
Waldron Phoenix Belknap Jr. (1899–1949), American art historian, architect, and soldier
Businesspeople •
Morris Burke Belknap (the elder) (1780–1877) Early American iron foundry owner and industrialist. •
W. B. Belknap (1811–1889), founding owner of Belknap Hardware and Manufacturing Company. •
William Richardson Belknap (1849–1914) president of the Belknap Hardware and Manufacturing Company.
Military personnel •
Augustus Belknap (1841–1889) American Union Army officer and railway executive •
Charles Belknap Jr. (1880–1954), Commander of the USS
Ammen, and censor for the United States Navy •
George Belknap (1832–1903), United States Navy rear admiral and father of Reginald R. Belknap •
Reginald R. Belknap (1871–1959), United States Navy rear admiral and son of George Belknap •
William G. Belknap (1794–1851), United States Brigadier General
Jurists •
Charles Henry Belknap (1841–1926), Justice of the Supreme Court of Nevada •
Robert Bealknap (about 1330–1401), also known as Sir Robert Belknap, Chief Justice of the Court of Common Pleas of England
Politicians •
Arias G. Belnap (1893–1974), Utah politician and LDS Church leader •
Austin Belknap (1819–1902), Massachusetts politician and businessman •
Charles E. Belknap (1846–1929), United States Army Civil War officer and politician from Michigan • Sir
Edward Belknap (c. 1471 – 1521), Privy Councillor for the English kings Henry VII and Henry VIII •
Horace P. Belknap (1856–1936), Oregon physician and state legislator •
Hugh R. Belknap (1860–1901), United States Representative from Illinois •
Morris B. Belknap (1856–1910), American businessman and Republican nominee for Governor of Kentucky •
W. C. Belknap, (1850–1937), American politician •
William Burke Belknap (1885–1965), Kentucky horse and sheep breeder at his Land O'Goshen Farm, economist, politician, academician •
William W. Belknap (1829–1890), Iowa State Representative and United States Secretary of War, impeached after his resignation from office.
Others •
Abraham Belknap (1589/90–1643), one of the first settlers of New England. •
Anna Belknap (born 1972), American actress •
Daniel Belknap (1771–1815), early American composer •
David F. Belnap (1922–2009), prize-winning American foreign correspondent •
Gilbert Belnap (1821–1899), early LDS Church leader and colonizer •
Matt Belknap, American entertainer •
Zedekiah Belknap, American artist ==See also==