Olivia Dunne was born on November 29, 2001, in Hillsdale, New Jersey.
She began gymnastics at the age of 2 and started competing at the age of 6.
Dunne has competed at the national and international levels, including the 2018 Pacific Rim Championships and the 2019 Pan American Games.
She has won several medals, including gold in the all-around and floor exercise at the 2019 Junior World Championships.
Dunne has committed to compete for the LSU Tigers gymnastics team starting in the 2020-2021 season.
She is known for her powerful tumbling and dynamic floor routines.