The University of Western Australia (UWA) is a public research university in the Australian state of Western Australia. The university's main campus is in Perth, the state capital. UWA was established in 1911, it is classed one of the "sandstone universities", an informal designation given to the oldest university in each state. The university also belongs to several more formal groupings, including the Group of Eight and the Matariki Network of Universities. In recent years, UWA ranked in top 100 in the world by QS, ARWU, and US News. UWA ranked 77th in the world by QS World University Ranking 2025, as well as in QS World University Rankings by Subject 2024, UWA’s 8 subjects ranked top 50 in the world and 32 subjects ranked top 200 in the world.

Alumni of UWA include one Prime Minister of Australia (Bob Hawke), and seven of Western Australia's eight most recent premiers. In 2018, alumnus mathematician Akshay Venkatesh was a recipient of the Fields Medal. Two members of the UWA faculty, Barry Marshall and Robin Warren won Nobel Prizes as a result of research at the university.