Catacanthus ("having downward-pointing thorns") is a genus of insects within the family Pentatomidae. The insects belonging to this genus are found in Madagascar, India, Sri Lanka, Myanmar, Thailand, China, Indonesia, Malaysia, Philippines, Papua New Guinea, New Caledonia, Japan and South Korea.

The back of the man-faced stink bug (Catacanthus incarnatus) has been noted by entomologists to resemble Elvis Presley.

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