Urad Rear Banner (Mongolian: ᠤᠷᠠᠳ ᠤᠨ ᠬᠣᠶᠢᠲᠤ ᠬᠣᠰᠢᠭᠤ; Chinese: 乌拉特后旗) is a banner of the Inner Mongolia Autonomous Region, China.

It is located in the west of the region, 44 kilometres (27 mi) northwest of the city of Bayan Nur, which administers this banner, and borders the Republic of Mongolia's Ömnögovi Province to the north.

The banner has a total area of 24,925 km2 (9,624 sq mi) and in 2020 had a population of 53,946.

This Banner division is also home[2] to the Upper Cretaceous Bayan Mandahu Formation.

Urad Rear Banner is divided into 3 towns and 3 sums.