John Ruffo is an American former business executive, white-collar criminal and confidence man, who in 1998 was convicted in a scheme to defraud many US and foreign banking institutions of over 350 million US dollars. The swindle is considered one of the most significant cases of bank fraud in US history. He has been a fugitive from justice ever since, and is on the U.S. Marshals 15 Most Wanted Fugitives list.