| La Roche-Jaudy | |
| Native Name: | Roc'h-ar-Yeodi |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr La Roche-Jaudy (Côtes-d'Armor).svg |
| Coordinates: | 48.7472°N -3.2583°W |
| Insee: | 22264 |
| Postal Code: | 22450 |
| Arrondissement: | Lannion |
| Canton: | Tréguier |
| Mayor: | Jean-Louis Éven[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Lannion-Trégor Communauté |
| Elevation Min M: | 0 |
| Elevation Max M: | 94 |
| Area Km2: | 29.42 |
La Roche-Jaudy (in French pronounced as /la ʁɔʃ ʒodi/; Breton: Roc'h-ar-Yeodi) is a commune in the Côtes-d'Armor department of Brittany in northwestern France. It was established on 1 January 2019 by merger of the former communes of La Roche-Derrien (the seat), Hengoat, Pommerit-Jaudy and Pouldouran.[2]
La Roche-Jaudy has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in La Roche-Jaudy is . The average annual rainfall is with December as the wettest month. The temperatures are highest on average in August, at around, and lowest in January, at around . The highest temperature ever recorded in La Roche-Jaudy was on 9 August 2003; the coldest temperature ever recorded was on 12 January 1987.