| Roppentzwiller | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Roppentzwiller (68).svg |
| Arrondissement: | Altkirch |
| Canton: | Altkirch |
| Insee: | 68284 |
| Postal Code: | 68480 |
| Mayor: | Jean-Claude Eggenspiller[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 47.5411°N 7.3325°W |
| Elevation M: | 370 |
| Elevation Min M: | 350 |
| Elevation Max M: | 446 |
| Area Km2: | 4.15 |
Roppentzwiller (in French pronounced as /ʁɔpəntsvilɛʁ/;) is a commune in the Haut-Rhin department in Grand Est in north-eastern France.