Well France did try to colonise Australia, they were very close. According to the Australian ABC, in the early months of 1788, first the British, then the French, encroached on the land of the Dharawal and Eora people, the traditional Indigenous owners in the Sydney area.
https://www.abc.net.au/news/2022-04-29/how-the-french-almost-colonised-australia/101008680
Well the Spanish did probably sight the Australian mainland, but there is no evidence that they landed.
https://www.nla.gov.au/faq/did-the-spanish-land-in-australia-before-james-cook