Mount Simeon Subdistrict (Arabic: ناحية جبل سمعان, romanized: nāḥiyah Jabal Sem‘ān) is a subdistrict of Mount Simeon District in western Aleppo Governorate of northern Syria.

Administrative centre is the city of Aleppo.

According to the 2004 census, the subdistrict had a population of 2,181,061.

[1] The cities and towns in the subdistrict are:

This article about a location in Aleppo Governorate, Syria is a stub.