Dillingham is a surname. Notable people with the surname include:
Benjamin Franklin Dillingham (1844–1918), American businessman Charles Dillingham (1868–1934), American theatre manager and producer Craig Dillingham (born 1958), American country music artist Emma Smith Dillingham (1844–1920), American educator, poet, and philanthropist Francis Dillingham (died 1625), English Protestant scholar, cleric and Bible translator Jay B. Dillingham (1910–2007), American businessman Kate Dillingham, American cellist Kathleen Dillingham, American politician Kenny Dillingham (born c.1990), American football coach Louise Olga Gaylord Dillingham (1885–1964) American civic leader in Hawaii Pat Dillingham (born 1983), American football player Paul Dillingham (1799–1891), American lawyer and politician. Richard Dillingham (1823–1850), American Quaker school teacher Rick Dillingham (1952–1994), American ceramic artist Rob Dillingham, (born 2005), American basketball player Steven Dillingham, 25th director of the United States Census Bureau Theophilus Dillingham (1613–1678), English churchman and academic Walter F. Dillingham (1875–1963), American industrialist and businessman William Dillingham (academic) (c. 1617–1689), English academic William P. Dillingham (1843–1923), American attorney and politician