Cryptobicuspidon is an extinct genus of polyglyphanodontid lizard from the Early Cretaceous Quiricó Formation of Brazil. The type species is C. pachysymphysealis.
The holotype, specimen FUP-Pv 000018, was discovered within massive and reddish sandstones from the Quiricó Formation, directly within the city of Campo Azul. The specimen was named as Cryptobicuspidon pachysymphysealis by Carvalho & Santucci (2024).