List of unnamed nature reserves of Western Australia

Western Australia, as of 2022, has 1,233 nature reserves, of which 826 are named and 407 unnamed. At the time of the last two-yearly Collaborative Australian Protected Areas Database report in 2022, 10,074,297 hectare of land in Western Australia was covered by nature reserves, which is 13.23 percent of all protected areas in the state and 3.99 percent of the state overall. Overall, just over 30 percent of Western Australia is covered by protected areas.

Key for IBRA
Interim Biogeographic Regionalisation for Australia:


 * AVW: Avon Wheatbelt
 * CAR: Carnarvon xeric shrublands
 * CEK: Central Kimberley
 * COO: Coolgardie bioregion
 * DAL: Dampierland
 * ESP: Esperance Plains
 * GAS: Gascoyne bioregion
 * GES: Geraldton Sandplains
 * GID: Gibson Desert
 * GSD: Great Sandy Desert
 * GVD: Great Victoria Desert
 * HAM: Hampton bioregion
 * ITI: Indian Tropical Islands


 * JAF: Jarrah Forest
 * LSD: Little Sandy Desert
 * MAL: Mallee bioregion
 * MUR: Murchison (Western Australia)
 * NOK: Northern Kimberley
 * NUL: Nullarbor Plain
 * OVP: Ord Victoria Plain
 * PIL: Pilbara shrublands
 * SWA: Swan Coastal Plain
 * VIB: Victoria Bonaparte
 * WAR: Warren bioregion
 * YAL: Yalgoo bioregion