| Le Morne-Rouge | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Le Morne-Rouge (Martinique).svg |
| Adjustable Map: | Locator map of Le Morne-Rouge 2018.png |
| Map Size: | 210px |
| Map Caption: | Location of the commune (in red) within Martinique |
| Coordinates: | 14.7736°N -61.1347°W |
| Arrondissement: | Saint-Pierre |
| Mayor: | Jenny Dulys-Petit[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Pays Nord Martinique |
| Population Demonym: | Péléen·ne |
| Elevation Min M: | 120 |
| Elevation Max M: | 923 |
| Area Km2: | 37.64 |
| Insee: | 97218 |
| Postal Code: | 97260 |
Le Morne-Rouge (pronounced as /fr/; label=[[Martinican Creole]]|Mònwouj) is a commune and town in the French overseas department and island of Martinique.
Le Morne-Rouge is the wettest town of Martinique, It is situated on a plateau between Mount Pelée and the massive of the Carbet Mountains.
Le Morne-Rouge has a tropical rainforest climate (Köppen climate classification Af). The average annual temperature in Le Morne-Rouge is . The average annual rainfall is with November as the wettest month. The temperatures are highest on average in August, at around, and lowest in February, at around . The highest temperature ever recorded in Le Morne-Rouge was on 13 September 2019; the coldest temperature ever recorded was in December 2022.
The commune was founded in 1888, following the division of Saint-Pierre.