Maechidius skalei is a species of beetle of the family Scarabaeidae. It is found in Indonesia (Sulawesi), where it occurs in lowland rainforests.
Adults reach a length of about 7.30-8.67 mm. The dorsum and venter are uniformly black-brown, while the labroclypeus, antennae and legs are brown.
The species is named after its collector, André Skale.