Catoxantha purpurea is a species of jewel beetle belonging to the family Buprestidae, subfamily Chrysochroinae.
This beetle has an Indomalayan distribution (Philippines; Luzon Island).
Catoxantha purpurea can reach a length of about . This beautiful jewel beetle has metallic reddish purple elytra with thick and prominent black costae and one yellow transverse bands. Legs and antennae are black. Abdominal sternum is yellow.