Cognomen Dieumegarde (Dieumegarde 
) , throughout the world, is a rare family name. The cognomen Dieumegarde is habitual in France, where it is a very rare surname, Canada, and New Zealand. Not in comparison with a country's population, the name is most common in France, the United States, and Canada. More frequently, Dieumegarde is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dieumegarde | Canada, United States, New Zealand, Democratic Republic of the Congo, France |