Raggio is an Italian surname. It is derived from the Latin language word raius (English: fame, glory). Notable people with the surname include:
Tommaso Raggio (1531—1599), a 16-th century Jesuit missionary
Louise Raggio, (June 15, 1919 – January 23, 2011), a Texas lawyer and the first female prosecutor in Dallas County, Texas
Grier Raggio, an American attorney and politician
William Raggio (October 30, 1926 – February 23, 2012), an American politician and a former Republican member of the Nevada Senate
Olga Raggio (5 February 1926 – 24 January 2009), an art historian and curator
Brady Raggio (born September 17, 1972), a former Major League Baseball and Nippon Professional Baseball pitcher
Silvano Raggio Garibaldi (born 27 April 1989), an Italian football midfielder
