K
- Kaeo River
- Kahurangi River
- Kahutara River
- Kaiapoi River
- Kaihu River
- Kaiikanui River
- Kaikou River
- Kaimarama River
- Kaipara River
- Kaipo River
- Kaituna River
- Kaiwaka River
- Kaiwakawaka River
- Kaiwara River
- Kaiwharawhara Stream
- Kaiwhata River
- Kakahu River
- Kakanui River
- Kakapo River
- Kaniere River
- Kapowai River
- Karakatuwhero River
- Karamea River
- Karangarua River
- Karetu River
- Karukaru River
- Katikara River
- Kauaeranga River
- Kaukapakapa River
- Kauru River
- Kawakawa River
- Kawarau River
- Kawhatau River
- Kedron River
- Kekerengu River
- Kenana River
- Kennet River
- Kereu River
- Kerikeri River
- Kitchener River
- Kiwi River
- Kohaihai River
- Kokatahi River
- Komata River
- Kopeka River
- Kopuapounamu River
- Kopuaranga River
- Koranga River
- Korimako Stream
- Kowai River
- Kowhai River
- Kuaotunu River
- Kumengamatea River
- Kumeu River
- Kuratau River
- Kurow River
Read more about this topic: List Of Rivers Of New Zealand