Horqin Left Middle Banner

Horqin Left Middle Banner (Mongolian: ; ), formerly known as Darhan Banner (Дархан хошуу), is a banner of eastern Inner Mongolia, China, bordering Jilin province to the east. It is under the administration of Tongliao City, 101 km to the southwest. The local Mongolian dialect is Khorchin Mongolian.

Administrative divisions
Horqin Left Middle Banner is made up of 1 subdistrict, 11 towns, 1 township, 5 sums, and 3 farms and pastures.