Kabbikane Islet, QLD
Kai-Kudulug, QLD
Kai-Yelubi (Great Woody) Island, QLD
Kamutnab Islet, QLD
Kangaroo Island, WA
Kangaroo Island, TAS
Kangaroo Island, SA
Kangaroo Island, QLD
Kangaroo Island (Boonnahbah), QLD
Kanggurryu Island, WA
Kanig Island, QLD
Kankanmengarri Island, WA
Kannamatju Island, WA
Kanowna Island, VIC
Kapril (Black) Rock, QLD
Karangi Island, WA
Karniga Island, QLD
Karragarra Island, QLD
Karslake Island, NT
Kartja Island, WA
Katers Island, WA
Kathleen Island, WA
Kathleen Island, TAS
Kaumag Island, QLD
Kawa Island, N/A
Kay Islet, QLD
Kay Reef Cay A, QLD
Kay Reef Cay B, QLD

Keast Island, WA
Keatinge Islet, QLD
Keats (Homogar) Islet, QLD
Keelan Island, QLD
Kelly Islands, TAS
Kendrew Island, WA
Kent Island, QLD
Kent Island, WA
Keppel Rocks, QLD
Keraudren Island, WA
Kermadec Island, WA
Kerr Islet, QLD
Keru Island, WA
Keswick Island, QLD
Ketchem Island, TAS
Keyser Island, QLD

Kid Island, WA
Kidney Island, WA
Kim Island, WA
King George Island, TAS
King Hall Island, WA
King Island, QLD
King Island, TAS
King Island, WA
King Island (Erobin), QLD
Kingfisher Islands, WA
Kirkby Island, SA

Knife Island, NT
Knight Island, QLD

Koks Island, WA
Kolganu Island, WA
Kondall Island, QLD
Koojarra Shoal, WA
Koolan Island, WA
Korffs Islet, NSW

Kulbai Kulbai (Spencer) Island, QLD
Kulbi (Portlock Island) Islets, QLD
Kumboola Island, QLD
Kuntjumal Kutangari Island, WA
Kussa Island, N/A