| Olivia Brett | |
| Birth Date: | 18 June 2001 |
| Birth Place: | Christchurch, New Zealand |
| Country: | New Zealand |
| Sport: | Sprint kayak |
| Club: | Arawa Canoe club |
| Coach: | Gordon Walker |
Olivia Brett (born 18 June 2001) is a New Zealand canoeist.[1] She competed in the women's K-4 500 metres at the 2024 Summer Olympics, where she won a gold medal with the New Zealand team.