- head
- head-station
- heart-pea
- heartsease
- heartseed
- heartwood
- heath
- hedgehog-fruit
- hedge-laurel
- hei-tiki
- helmet-orchis
- hemp(, Queensland)
- hemp-bush
- he-oak
- heron
- herring
- herring-cale
- hickory
- hickory-eucalypt
- hickory-wattle
- hielaman
- hielaman-tree
- hinau
- hoki
- holly, native
- holly, smooth
- hollyhock-tree
- Holy City
- holy-cross toad
- Holy dollar
- honey-ant
- honey-bird
- honey-eater
- honey-eucalypt
- honey-flower
- honey-plant
- honeysuckle
- honeywood
- hoop-pine
- hoot
- hop-bush
- hopping-fish
- hops, native
- 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