Devil's tongue may refer to:

• Amorphophallus konjac, a flowering plant native to southwest China
• Dominican Devil's Tongue, or Red Savina pepper, a cultivar of the habanero chili
• two species of cactus from genus Opuntia
  • Opuntia humifusa, also known as the Eastern prickly pear, native to eastern United States and northeastern Mexico
  • Opuntia ammophila, native to Florida
• Devil's Tongue Battery a former artillery battery in the British Overseas Territory of Gibraltar

This disambiguation page lists articles associated with the title Devil's tongue.
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