Amblymelanoplia obscura is a species of beetle of the family Scarabaeidae. It is found in South Africa (Mpumalanga). The habitat consists of Granite Lowveld.
Adults reach a length of about . They are dull black, with the antennae dark-brown and the elytra dark red-brown. The clypeus and head have black setae. The pronotum has brown setae, some white scales at the posterior margin and dark-brown setae on the lateral and anterior margins. The elytra have brown setae and some white scales at the anterior margin.
The species name is derived from Latin obscur (meaning dark) and refers to the dark colour of the species.