| Beaulieu-en-Argonne | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Beaulieu-en-Argonne (55).svg |
| Arrondissement: | Bar-le-Duc |
| Canton: | Dieue-sur-Meuse |
| Insee: | 55038 |
| Postal Code: | 55250 |
| Mayor: | Maurice Locardel[1] |
| Term: | 2021 - 2026 |
| Intercommunality: | CC de l'Aire à l'Argonne |
| Coordinates: | 49.0325°N 5.0678°W |
| Elevation M: | 276 |
| Elevation Min M: | 146 |
| Elevation Max M: | 301 |
| Area Km2: | 29.56 |
Beaulieu-en-Argonne (in French pronounced as /boljø ɑ̃.n‿aʁɡɔn/, literally Beaulieu in Argonne) is a commune in the Meuse department in the Grand Est region in northeastern France.
The Abbey of Beaulieu was founded and governed for thirty years by Saint Rodingus (died c. 680), an Irish monk.