Listed here are Hawaiian plant common names that begin with the letter K.

• Kahila Garland-lily
• Kahili Ginger
• Kala
• Kapa-kapa
• Ki
• King Palm
• Knotweed, Pink
• Knotweed, Pinkhead
• Ko
• Koa Haole
• Koali
• Koali 'Awa
• Koali Ai
• Kona Coffee
• Koster's Curse
• Kou
• Kowali
• Kuawa
• Kuikui
• Kukaenene
• Kukui
• Kumakani