/newsroom/ en /newsroom/news/list/2025/03/20/a-proposed-legalisation-of-polygamy-in-australia Polygamy — a legally or customarily recognised marriage involving three or more people — is currently illegal in Australia. However, new research suggests a way to legalise the practice without disrupting the foundations of Australian marriage law. March 21 2025 Lara Pacillo /newsroom/news/list/2025/03/20/a-proposed-legalisation-of-polygamy-in-australia