Cleghorn and Claghorn are Scottish surnames that may refer to:
People Archibald Scott Cleghorn (1835–1910), Scottish businessman who married into Hawaiian royal family Daughter: Victoria Kaiulani Cleghorn (1875–1899), Crown Princess of Hawaii Edward J. Claghorn (1856–1936), granted first patent for seat belts in 1885 Elizabeth Gaskell, English novelist, biographer, and short story writer, née Elizabeth Cleghorn Stevenson George Cleghorn (Scottish physician) (1716–1789) physician, and teacher at Dublin University George Claghorn (1748–1824), American patriot and master shipwright who oversaw construction of the USS Constitution ("Old Ironsides") Harold Cleghorn (1912–1996), New Zealand weightlifter Sir Hugh Cleghorn (colonial administrator) (1752–1837), colonial secretary to British Ceylon Hugh Francis Cleghorn (1820–1895), physician, botanist, forest conservationist and the colonial administrator's grandson Isabel Cleghorn (1852–1922), British educationist and suffragist John Cleghorn (born 1941), Canadian businessman Kate Claghorn (1864–1938), American Progressive Era scholar and activist Mildred Cleghorn (1910–1997), Chiricahua Apache dollmaker, educator, and tribal leader Sarah Norcliffe Cleghorn (1876–1959), US author and social reformer known for her four-line satiric poem, "The Golf Links" Sprague Cleghorn (1890–1956), Canadian ice hockey player William Cleghorn (1718–1754), British philosopher William Cleghorn (Newcastle eccentric) (1777–1860), last of the old eccentrics of Newcastle upon Tyne
Places Cleghorn, Scotland, small village near Lanark, South Lanarkshire Cleghorn Glen, site of special scientific interest near Cleghorn, Scotland Cleghorn, Iowa, small city in the United States Cleghorn Lakes Wilderness California Claghorn, Pennsylvania, ghost town in the United States Cleghorn, Wisconsin, unincorporated A district in the city of Fitchburg, Massachusetts Cleghorn Mountain, mountain in San Bernardino County, California, United States
Fiction Senator Claghorn, character on The Fred Allen Show Foghorn Leghorn, American animated character that was based on Senator Claghorn