Big Brother (Australian TV series) season 15
| Big Brother | |
|---|---|
| Season 15 | |
| Presented by | Sonia Kruger |
| No. of days | 25 |
| No. of housemates | 18 |
| Winner | Tay & Ari Wilcoxson |
| Runners-up | Louis Phillips Mineé Marx |
| Companion show | Big Brother Uncut |
| No. of episodes | 20 (+5 Uncut) |
| Release | |
| Original network | Seven Network |
| Original release | 6 November – 6 December 2023 |
| Additional information | |
| Filming dates | 31 October – 24 November 2022 |
| Season chronology | |
Big Brother Australia 15, also known as Big Brother Australia 2023, was the fifteenth season of the Australian reality television series Big Brother. The season began airing on 6 November 2023 on Seven Network. Sonia Kruger returned as the host of the show. The series was initially teased as Big Brother: House of Love and featured a younger cast consisting of single housemates.
On 6 December 2023 Tay & Ari Wilcoxson won the series becoming the second joint-housemate winners in the history of the Australian version of Big Brother, after the Logan twins won season 5.