Love Island Australia is an Australian dating reality show based on the international Love Island franchise. Following the premise of other versions of the Love Island format, the show features a group of single contestants, known as "islanders" who live together in a luxury villa that is isolated from the outside world, in an attempt to find love. Throughout the series, the contestants "couple up" to avoid being dumped from the villa. Additionally, Australia will vote for their favourite islanders to stay in the villa. As old islanders are dumped, new islanders will enter the villa. At the end, Australia will vote one final time to determine the winning couple. The series is presented by Sophie Monk with Eoghan McDermott narrating every season except season 3. Stephen Mullan filled in for Eoghan in 2021.

Created by ITV Studios and produced by ITV Studios Australia, the first season aired on Nine's secondary channel 9Go! and on Nine's free ad-supported video on demand streaming service 9Now in mid 2018. With subsequent seasons airing on Nine Network's main channel, with the second season airing in late 2019. with production being relocated to a villa in Fiji.

Following a hiatus in 2020, Nine announced the series will return for a third season in 2021, with production originally being relocated to a villa on the Gold Coast. In July 2021, Nine confirmed the series will be filmed in Port Douglas. However, in August 2021 production was relocated due to border closures to Northern NSW. It was confirmed during Nine’s 2022 upfronts that the series will film in Byron Bay. The fourth season premiered on 31 October 2022. The fifth season began filming in August 2023 again in Mallorca and premiered on 30 October 2023. The sixth season began on 28 October 2024