Listed here are Hawaiian plant common names that begin with the letter N.
- Narrow-leaf Water-primrose
- Nasturtium
- Nasturtium, Garden
- Native Yellow Hibiscus
- Naule
- Naupaka Kahakai
- Naupaka, Beach
- Neleau
- Nene Berry
- Nene Bush
- Neneleau
- Nettle, Painted
- New Caledonia Pine
- Night Cestrum
- Night Jasmine
- Night Jessamine
- Night-blooming Jasmine
- Night-flowering Cestrum
- Night-scented Jessamine
- Nightshade, American Black
- Nightshade, Glossy
- Nightshade, Small-flowered
- Niu
- Nodding Club-moss
- Noni
- Northern Bangalow Palm
- Nun's Orchid
- Nun's-hood Orchid