| Regniowez | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Regniowez.svg |
| Arrondissement: | Charleville-Mézières |
| Canton: | Rocroi |
| Insee: | 08355 |
| Postal Code: | 08230 |
| Mayor: | Jean-Yves Lagneaux[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 49.9389°N 4.4311°W |
| Elevation M: | 350 |
| Area Km2: | 18.27 |
Regniowez is a commune in the Ardennes department in northern France.
The Sormonne forms most of the commune's southern border. Couvin and Chimay, two Belgian municipalities, form its northern border.