Amblymelanoplia vansoni is a species of beetle of the family Scarabaeidae. It is found in South Africa (Western Cape). The habitat consists of Breede Alluvium Renosterveld.
Adults reach a length of about 10.1 mm. They are mostly dull black. The clypeus and head have brown setae, while the pronotum has pale-brown setae and black setae on the anterior and lateral margins. The elytra have pale-brown and brown setae.
The species is dedicated to the entomologist Dr. George van Son.