King O'Malley was an American-born Australian politician who served in the House of Representatives from 1901 to 1917, and served two terms as Minister for Home Affairs. He is remembered for his role in the development of the national capital Canberra as well as his advocacy for the creation of a national bank.

The Minister for Home Affairs is the minister in the Australian government responsible for the Department of Home Affairs, the country's interior ministry. The current minister is Clare O'Neil of the Labor Party, who has held the position since 1 June 2022 in the Albanese ministry.