Maechidius longipes is a species of beetle of the family Scarabaeidae. It is found in Papua New Guinea.
Adults reach a length of about 7.35 mm. The dorsum and venter are uniformly brown, while the labroclypeus, antennae, legs and lateral margins of the pronotum are paler.
The species name is derived from Latin longipes (meaning long-legged) and refers to the conspicuously long tarsi of this species.