| Horqin Left Rear Banner | |
| Settlement Type: | Banner |
| Pushpin Map: | China Inner Mongolia#China |
| Pushpin Label: | Horqin LRB |
| Pushpin Map Caption: | Location of the seat in Inner Mongolia |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Autonomous region |
| Subdivision Name1: | Inner Mongolia |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Tongliao |
| Seat Type: | Banner seat |
| Seat: | Ganjig |
| Area Total Km2: | 11,500 |
| Elevation M: | 250 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 321,438 |
| Population Density Km2: | auto |
| Timezone: | China Standard |
| Utc Offset: | +8 |
| Coordinates: | 42.95°N 143°W |
| Postal Code Type: | Postal code |
| Mon: | Хорчин зүүн гарын хойд хошуу |
| Monr: | Hôrqin Juun'garin Hôid Hôxûû |
| Order: | st |
| S: | 科尔沁左翼后旗 |
| T: | 科爾沁左翼後旗 |
| P: | Kē'ěrqìn Zuǒyì Hòuqí |
Horqin Left Rear Banner (Mongolian: ;, original Mongolian name Büve vang qosigu) is a banner of southeastern Inner Mongolia, China, bordering Liaoning province to the south. It is under the administration of Tongliao City, to the north and its banner seat is the town of Ganjig. The local Mongolian dialect is Khorchin Mongolian.
Horqin Left Rear Banner is made up of 10 towns, 1 township and 5 sums.
| Name | Simplified Chinese | Hanyu Pinyin | Mongolian (Hudum Script) | Mongolian (Cyrillic) | Administrative division code | |
|---|---|---|---|---|---|---|
| Towns | ||||||
| Ganjig Town | Chinese: 甘旗卡镇 | Mongolian: Ганзага балгас | 150522100 | |||
| Jargalang Town | Chinese: 吉尔嘎朗镇 | Mongolian: Жаргалан балгас | 150522101 | |||
| Jinbaotun Town | Chinese: 金宝屯镇 | Mongolian: Гийн буу түн балгас | 150522102 | |||
| Changsheng Town | Chinese: 常胜镇 | Mongolian: Цан шен балгас | 150522103 | |||
| Qars Town | Chinese: 查日苏镇 | Mongolian: Царс балгас | 150522104 | |||
| Shuangsheng Town | Chinese: 双胜镇 | Mongolian: Сойн шен балгас | 150522105 | |||
| Ul Town | Chinese: 阿古拉镇 | Mongolian: Уул балгас | 150522106 | |||
| Qulut Town | Chinese: 朝鲁吐镇 | Mongolian: Чулуут балгас | 150522107 | |||
| Nugustai Town | Chinese: 努古斯台镇 | Mongolian: Нугастэй балгас | 150522108 | |||
| Hailiut Town | Chinese: 海鲁吐镇 | Mongolian: Халиут балгас | 150522109 | |||
| Sums | ||||||
| Aduqin Sum | Chinese: 阿都沁苏木 | Mongolian: Адуучин сум | 150522200 | |||
| Modot Sum | Chinese: 茂道吐苏木 | Mongolian: Модт сум | 150522201 | |||
| Bag Tal Sum | Chinese: 巴胡塔苏木 | Mongolian: Баатал сум | 150522202 | |||
| Sundu Sum | Chinese: 散都苏木 | Mongolian: Сондуу сум | 150522203 | |||
| Bayan Mod Sum | Chinese: 巴彦毛都苏木 | Mongolian: Баянмт сум | 150522204 | |||
| Others | ||||||
| Shengli Farm | Chinese: 胜利农场 | Mongolian: Шен ли тариалангийн талбай | 150522400 | |||
| Monggon Daba Pasture | Chinese: 孟根达坝牧场 | Mongolian: Мөнгөн даваа малжлын талбай | 150522401 | |||
| Xajingtai Pasture | Chinese: 查金台牧场 | Mongolian: Шаазантай малжлын талбай | 150522402 | |||
| Stock Breeding Center | Chinese: 原种繁育中心 | Mongolian: Үүлдрийн үрийн талбай | 150522403 | |||
| Daqinggou Administration | Chinese: 大青沟管理局 | Mongolian: Их цүнхлийн хамааралтын товчоо | 150522404 | |||
| Har Us Breeding Stock Farm | Chinese: 哈日乌苏种畜场 | Mongolian: Харуус малжлын талбай | 150522405 | |||
| Ulan Od Fishing Farm | Chinese: 乌兰敖道渔场 | Mongolian: Улаанууд загасан талбай | 150522406 | |||
| Jinbaotun Tree Farm | Chinese: 金宝屯林场 | Mongolian: Гийн буу түн ой талбай | 150522407 | |||
| Qulut Tree Farm | Chinese: 朝鲁吐林场 | Mongolian: Чулуут ойн талбай | 150522408 | |||
| Modot Tree Farm | Chinese: 茂道吐林场 | Mongolian: Модт ойн талбай | 150522409 | |||
| Ih Tal Tree Farm | Chinese: 伊胡塔林场 | Mongolian: Ихдэлээ ойн талбай | 150522410 | |||
| Udan Tal Tree Farm | Chinese: 乌旦塔拉林场 | Mongolian: Уднатал ойн талбай | 150522411 | |||