Dioguardi

Dioguardi or DioGuardi is a surname. Notable people with the surname include:


 * Giovanni Dioguardi, also known as Johnny Dio, (1914–1979), American labor racketeer
 * [Randy DioGuardi] (born 1977), Businessman Entrepreneur
 * Joe DioGuardi (born 1940), American politician
 * Kara DioGuardi (born 1970), American singer-songwriter
 * Nick Dioguardi (1932–2015), Italian-born American racing driver
 * Pasta Dioguardi, Argentine actor
 * Patrizia Dioguardi, Italian-Canadian singer better known as Patrizia