Ricardo Duchesne is a Puerto Rican-born Canadian historical sociologist and former professor at the University of New Brunswick. His main research interests are Western civilization, the rise of the West, and multiculturalism. Duchesne's views on immigration and multiculturalism have been described as racist and white nationalist. He has denied being a racist to the mainstream press, but has described himself as being "the only academic in Canada, and possibly the Western world, who questions the ideology of diversity while advocating white identity politics."