Darlingtonia may refer to:

• Darlingtonia, California, in Del Norte County

• Darlingtonia Torr., a monotypic genus in the family Sarraceniaceae
• Darlingtonia DC., a synonym of the legume genus Desmanthus Willd.
• Darlingtonia (snake), a genus of snakes in the family Colubridae

• Purple Flat
• Purple flat
• Purpleflower blacksnakeroot
• Purple-flower black-snakeroot
• Purple-flowered cotoneaster
• Purple-flowered Cotoneaster
• Purple-flowered devil's-claw
• Purple-flowered Devil's-claw
• Purple flowered mallee
• Purple flowered mallee box
• Purple flowered raspberry
• Purple-flowered raspberry
• Purple-flowered sanicle
• Purple-flowered toothwort
• Purple-flowering Raspberry
• Purpleflower pinkroot
• Purple forkmoss
• Purple Forkmoss
• Purple fringeless orchid
• Purple fritillary
• Purple games
• Purple Gem
• Purple gem
• Purple giant epitola
• Purple Giant Epitola