Pagar Alam (sometimes written as Pagaralam, Jawi: ڤاݢر عالم‎), is a city in South Sumatra, Indonesia.

Pagar Alam is located by the Bukit Barisan Mountains, at the feet of Mount Dempo.

It is notable for ancient stone megaliths which surround the town on all sides and are the remnants of a Bronze Age culture.

Pagar Alam is administratively divided into five districts (kecamatan), tabulated below with their areas and their populations at the 2010[3] and 2020[4] Censuses, together with the official estimates as at mid 2023.

Pagar Alam has an elevation moderated tropical rainforest climate (Af) with heavy rainfall year-round.