| Official Name: | Al-Harmushiyah |
| Native Name: | هرموشية |
| Settlement Type: | Town |
| Pushpin Map: | Syria |
| Pushpin Mapsize: | 250 |
| Coordinates: | 35.6008°N 39.8733°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Governorate |
| Subdivision Name1: | Deir ez-Zor |
| Subdivision Type2: | District |
| Subdivision Name2: | Deir ez-Zor |
| Subdivision Type3: | Subdistrict |
| Subdivision Name3: | al-Kasrah |
| Unit Pref: | Metric |
| Elevation Footnotes: | [1] |
| Elevation M: | 251 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Al-Harmushiyah (ar|هرموشية, Harmoushieh) is a town in eastern Syria, administratively part of the Deir ez-Zor Governorate.[2] The town is located, on the Euphrates northwest of the city of Deir ez-Zor. It is across the Euphrates from the town of Al-Tabni.
In 1961 Soviet geologists discovered very pure salt deposits near the town.[3] [4]
During the Syrian Civil War, the town was occupied by ISIL until the SDF captured it on 4 October 2017.[5]
Al-Harmushiyah has a desert climate. What little rain falls, falls during the winter, about 150mm annually. The Köppen-Geiger climate classification is BWh. The average annual temperature in Al-Harmushiyah is 20.2°C.