Surname Merdieu (Merdieu 
) , all around the world, is an extremely rare family name. The cognomen Merdieu is habitual in France, where it is an extremely rare surname, and Brazil. Much more prevalently, Merdieu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Merdieu | France, Brazil, United States, Democratic Republic of the Congo |