Maechidius konjo is a species of beetle of the family Scarabaeidae. It is found in Indonesia (Sulawesi), where it occurs in lower to mid-montane mixed rainforests dominated by Pinus species.
Adults reach a length of about 6.90-7.30 mm. The dorsum and venter are uniformly black to black-brown, while the labroclypeus, antennae and legs are castaneous brown.
The species is named after Konjo, a group of South Sulawesi native languages (Coastal Konjo and Highland Konjo) spoken in the area where the species occurs.