Ras al-Ayn District () is a district of al-Hasakah Governorate in northeastern Syria. The administrative centre is the city of Ras al-Ayn.
At the 2004 census, the district had a population of 177,150. It is populated by Arabs, Kurds, Chechens and Assyrians.
The district of Ras al-Ayn is divided into two subdistricts or nawÃÂḥë (population as of 2004):