Cognomen Marcadieu (Marcadieu 
) , globally, is a very rare family name. The last name Marcadieu is habitual in the Dominican Republic, where it is a rare surname, France, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Much less frequently, Marcadieu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marcadieu | France, Dominican Republic, United States, Brazil |
| lutherking e. marcadieu Haitian politician, HT |
|