Constitutional Conventions in Australia are significant meetings that have debated the Australian Constitution. The first two gatherings debated Federation and what form of Constitution to adopt, while the following conventions debated amendments to the document.

The Constitution of Australia is the fundamental law that governs the political structure of Australia. It is a written constitution, that establishes the country as a federation under a constitutional monarchy governed with a parliamentary system. Its eight chapters sets down the structure and powers of the three constituent parts of the federal level of government: the Parliament, the executive government and the judicature.