A crossbencher is a minor party member of some legislatures, such as the British House of Lords and the Parliament of Australia. They take their name from the crossbenches, between and perpendicular to the government and opposition benches, where crossbenchers sit in the chamber.

The Parliament of Australia is the legislative body of the federal level of government of Australia. It consists of three elements: the monarch, the Senate and the House of Representatives. It combines elements from the UK Parliament and the US Congress.