Cucujiformia is an infraorder of polyphagan beetles, representing most plant-eating beetles.

The infraorder contains the seven superfamilies:

• Chrysomeloidea (~7 families including longhorn beetles and leaf beetles)
• Cleroidea (checkered beetles, bark-gnawing beetles and soft-winged flower beetles)
• Coccinelloidea (15 families, includes ladybirds and fungus beetles)
• Cucujoidea (~27 families)
• Curculionoidea (~8 families primarily consisting of weevils and also including snout beetles and bark beetles)
• Lymexyloidea (ship-timber beetles)
• Tenebrionoidea (formerly "Heteromera") (30 families including blister beetles and ant-like beetles)

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