Mantis is the common name of any insect in the order Mantodea, also commonly known as praying mantises. The word itself means "prophet" in Latin and Greek . This may also refer to:
In biology:

• Mantis (genus), a genus of mantises
• Mantis shrimp, also known as stomatopods, predatory crustaceans
• Mantidfly (Mantispidae), a small predatory insects whose front legs are similar to those of a praying mantis