Wadi Jallal (Arabic: وَادِي جَلاَّل, romanized: Wādī Jallāl) is a village located in the Al Wakrah municipality of Qatar.

As the area is typified by a wadi (dry river-valley) which would flood during heavy rains, it was named "Wadi Jallal"; the second constituent being derived from the Arabic "jalaa", meaning "to wash away".

[3] It forms part of the southern desert region, which occupies 34.7% of Qatar's total area.

[4] The area around Wadi Jallal is part of a region characterized by Miocene-era formations that are distinct from the surrounding older rock types.

In terms of terrain, Wadi Jallal is part of a region characterized by a mix of rocky plains (hamada), hills and sand dunes.