| Ain Diwar | |
| Native Name: | عين ديوار |
| Native Name Lang: | ar |
| Type: | Village |
| Pushpin Map: | Syria |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 250 |
| Pushpin Map Caption: | Location of Ain Diwar in Syria |
| Coordinates: | 37.2853°N 42.1922°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Governorate |
| Subdivision Name1: | al-Hasakah |
| Subdivision Type2: | District |
| Subdivision Name2: | al-Malikiyah |
| Subdivision Type3: | Subdistrict |
| Subdivision Name3: | al-Malikiyah |
| Population Density Km2: | auto |
| Population As Of: | 2004 |
| Population Footnotes: | [1] |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Ain Diwar (ar|عين ديوار|Ain Diwar) is a village in the northeastern corner of Hasakah Governorate, northeastern Syria. It is located near the tri-border point with Iraq and Turkey.
At the 2004 census, Ain Diwar had a population of 938.