Caulkins is a surname. Notable people with the surname include: F.W. Caulkins (1855–1940), American architect Frances Manwaring Caulkins (1795–1869), American historian, genealogist, author Horace Caulkins (1850–1932), American ceramic artist Jonathan Caulkins (born 1965), American drug policy researcher Tracy Caulkins (born 1963), American swimmer
See also Ellie Caulkins Opera House, Denver, Colorado, U.S.A