Amblymelanoplia soetwaterensis is a species of beetle of the family Scarabaeidae. It is found in South Africa (Northern Cape). The habitat consists of Tanqua Karoo.
Adults reach a length of about 9.5 mm. They are dull black. The head and clypeus have brown setae and the pronotum also has rown setae, but also a few elliptic white scales, a band of white scales along the lateral margin and some black setae on the lateral margin. The elytra have brown setae, as well as white scales.
The species name refers to the type locality near Soetwater in the Northern Cape.