Pengzhou (Chinese: 彭州; pinyin: Péngzhōu), formerly Peng County or Pengxian, is a county-level city of Sichuan Province, Southwest China, it is under the administration of the prefecture-level city of Chengdu.

It is bordered by the prefecture-level divisions of Deyang to the northeast and the Ngawa Tibetan and Qiang Autonomous Prefecture to the north.

Empress dowager Wu Zetian first set up Pengzhou in 686 AD (Tang dynasty).

In 1337 AD, Hongwu Emperor (Ming dynasty) reduced Pengzhou to Pengxian, or Peng County (彭县; Péngxiàn).

[4] As of late, Pengzhou is still occasionally referred to as Pengxian, or Peng County, even in official publications.