Amblymelanoplia lainsburgensis is a species of beetle of the family Scarabaeidae. It is found in South Africa (Western Cape). The habitat consists of Koedoesberge-Moordenaars Karoo.
Adults reach a length of about . They are mostly dull black. The clypeus and the head have black setae. The pronotum has pale-brown and brown setae, a stripe of white scales along the posterior margin and black setae on the lateral and anterior margins. The elytra have brown setae and some white scales at the anterior margin.
The recorded host plant is Berkheya glabrata.
The species name refers to the locality of capture, near the town Laingsburg.