Byington is a surname. Notable people with the surname include:
A. Homer Byington (1826–1910), U.S. Consul in Naples, newspaper publisher, and Connecticut state representative and senatorByington Ford (1890–1985), Carmel Valley DeveloperCyrus Byington, Christian missionary from Massachusetts who worked with the Choctaw during 19th centuryJohn Byington (1798–1887), Seventh-day Adventist minister and the first president of the General Conference of Seventh-day AdventistsLewis Byington (1868–1943), member of California state assembly 24th District, 1877–80, CaliforniaOlivia Byington, Brazilian singerRobert Byington Mitchell (1823–1882), brigadier general in the Union Army during the American Civil WarSpring Byington (1886–1971), American actressSteven T. Byington (birthname Stephen) (1869–1957), intellectual, translator, and American individualist anarchist