Kalkadoon may refer to:
Kalkadoon, Queensland, a suburb of Mount Isa, north-west Queensland, Australia Kalkatungu people, also known as the Kalkadoon people, an indigenous Australian tribe of the Mount Isa region Kalkatungu language, also known as the Kalkadoon language, now extinct Kalkadoon Wars, a series of late 19th century hostile encounters between the Kalkadoon people and European settlers Kalkadoon grasswren (Amytornis ballarae), a species of small bird endemic to north-west Queensland OH-58 Kalkadoon, Australian Army designation for Bell OH-58 Kiowa helicopters