Dhayet Bendhahoua (Arabic: ضية بن ضحوة) (also written Dayet Ben Dahoua[2]) is a town and commune, coextensive with Dhayet Bendhahoua District, in Ghardaïa Province, Algeria.

[1] It lies just 8 kilometres (5.0 mi) northwest of the provincial capital Ghardaïa.

Dhayet Bendhahoua lies on the banks of the Wadi Mzab, an intermittent river in the M'zab valley, upstream of Ghardaïa.

The area has been listed as a UNESCO World Heritage Site.

[4] Dhayet Bendhahoua is connected to Ghardaïa by the regional road W147, which loops from Ghardaïa northwest to the town and then back east to the N1 highway.