- tommy-axe
- Tom Russell's mahogany
- tomtit
- tonquin bean-tree
- tewart
- tooart
- tookytook
- toot
- tooted
- tooth-shell
- tope
- top-knot pigeon
- torea
- torpedo
- torres straits pigeon
- tortoise-shell fish
- totara
- towai
- township
- traveller
- travellers' grass
- tree-creeper
- tree-fern
- tree-kangaroo
- tree-runner
- tree-tit
- tremandra
- trevalli
- trevalla
- travale
- trevally
- triantelope
- tribonyx
- trichosurus
- trickett
- trigger-plant
- trigonia
- trooper
- tropic-bird
- tropidorhynchus
- trout
- trumpeter
- trumpeter-perch
- trumpeter-Whiting
- tuan
- tuatara
- tucker
- tui
- tulip, native
- tulip-tree
- tulip-wood
- tumata-kuru
- tuna
- tupakihi
- tupara
- tupong
- tupuna
- turbot
- turkey
- turmeric
- turnip-wood
- turpentine, brush
- turpentine-tree
- turquoise-berry
- tussock-grass
- tussocker
- tutu
- twenty-eight
- twine bush
- twine, settler's
- two-hooded furina-snake
- umbrella-bush
- umbrella-grass
- umbrella-tree
- umu
- union nut
- «unlock the lands.»
- unpayable
- utu
- vandemonian
- vandemonianism
- Van Diemen's Land
- vedalia
- velvet-fish
- verandah
- v-hut
- victoria
- village settlement
- vine
- vine, balloon
- vine, burdekin
- vine, caustic
- vine, lawyer
- vine, macquarie harbour
- vine, native pepper
- vine, wonga wonga
- waddy
- white wood
- waddy wood
- wagtail fly-catcher