Amblymelanoplia setosa is a species of beetle of the family Scarabaeidae. It is found in South Africa (Western Cape). The habitat consists of Swartland Alluvium Fynbos.
Adults reach a length of about 9.8 mm. The pronotum is dull black, while the abdomen is dark red-brown. The clypeus has brown setae, while these setae are dark-brown on the head. The pronotum and elytra have brown setae.
The species name is derived from Latin seta (meaning a bristle) and refers to the longer setae on the pronotum, elytra, thorax and abdomen.