Trumpetflower or trumpet flower may refer to several plants:

• Chinese trumpet flower, Incarvillea, native to central and eastern Asia
• Evening trumpetflower, Gelsemium sempervirens, native to North America
• Indian trumpetflower, Oroxylum indicum, native to India
• Velvet trumpet flower, Salpiglossis sinuata, native to Chile
• Wavy trumpet flower, Dolichandrone atrovirens, native to India

• Angel's trumpet, plants with trumpet-like flowers
• Bugleweed
• Cat-claw trumpet, or cat's claw creeper, Dolichandra unguis-cati
• Desert trumpet, Eriogonum inflatum
• Devil's trumpet, Datura metel
• Flaming trumpet, Collomia rawsoniana
• Golden trumpet, Allamanda cathartica
• Mysore trumpet vine, Thunbergia mysorensis
• Orange trumpet, Pyrostegia venusta
• Pink trumpet vine
  • Podranea
  • Tecomanthe burungu
• Tiny trumpet, Collomia linearis
• Trumpet pitcher, Sarracenia
• Trumpet stylewort, Levenhookia leptantha
• Trumpet tree, several plants
• Trumpet weed:
  • Eutrochium fistulosum
  • Eutrochium purpureum
• Trumpet vine or trumpet creeper, Campsis
• Water trumpet, Cryptocoryne