| Langrolay-sur-Rance | |
| Native Name: | Langorlae |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Langrolay-sur-Rance (Côtes-d'Armor).svg |
| Coordinates: | 48.5547°N -2.0014°W |
| Insee: | 22103 |
| Postal Code: | 22490 |
| Arrondissement: | Dinan |
| Canton: | Pleslin-Trigavou |
| Mayor: | Jean-Paul Gainche[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Dinan Agglomération |
| Elevation Min M: | 4 |
| Elevation Max M: | 87 |
| Area Km2: | 5.28 |
Langrolay-sur-Rance (in French pronounced as /lɑ̃ɡʁɔlɛ syʁ ʁɑ̃s/, literally Langrolay on Rance;) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.
Inhabitants of Langrolay-sur-Rance are called langrolaisiens in French.