Of the three major dialects of the French language in the United States (Louisiana French, Missouri French, and New England French), Louisiana French is traditionally subdivided into Colonial French, Louisiana Creole French, and Cajun French (which linguists would identify as Wisconsin Creole).
It is spoken today by people who racially identify as white, black, mixed, and Native American, as well as Cajun, Louisiana Creole, and African American, and should not be confused with its sister language, Louisiana French, which is a dialect of the French language. 
