- horizontal
- hornerah
- horn-ray
- horopito
- horse-mackerel
- horse-radish tree
- horseshoe-fern
- hot wind
- hot-windy
- hohere
- houhere
- houi
- smooth hound
- hound
- hovea
- huia
- hump, to
- hump
- humpy
- hungry quartz
- huon-pine
- hut
- hut-keep
- hut-keeper
- hyacinth, native
- hyaena
- hypsiprymnodon
- ibis
- ice-plant
- identity, old
- inaka
- inanga
- inchman
- indians
- indigo, native
- indented servants
- ink-plant
- ironbark
- iron hand
- ironheart
- ironwood
- irriakura
- ivory-wood
- ivy
- ivy, native
- ivy, wild
- ivy-tree
- jabiru
- jacana
- Jack in a Box
- Jack the Painter
- jackaroo
- jackass-fish
- jackass(, laughing)
- jack-bird
- jack shay
- jacky winter
- jade
- jarrah
- jasmine, native
- jelly-leaf
- jelly-plant
- jemmy donnelly
- jerrawicke
- jew-fish
- jew-lizard
- jil-crow-a-berry
- Jimmy
- jimmy low
- jingle
- jinkers
- jo-jo
- job's
- joe
- joe-joe
- joey
- john dorey
- john dory
- johnny
- jolly-tail
- july
- jumbuck
- jump, to
- jumpable
- jumping-mouse
- june
- jungle-hen
- juniper, native
- kahawai
- kahikatea
- kahikatoa
- kahikomako
- kai
- kaika
- kainga
- kaio
- kaitaka
- kaiwhiria
- kaka
- kaka-bill