Scapanoclypeus sinepunctatus is a species of beetle of the family Scarabaeidae. It is found in South Africa (Northern Cape).
Adults reach a length of about 7.8 mm. They have an elongate body. The head is black, the pronotum yellowish-brown and the elytra ochraceous. The antennae are ochraceous with an ochreous-brown club.
The species name is derived from Latin sine (meaning without) and punctatus (meaning punctured) and refers to the impunctate clypeus.