Milla Jansen

Milla Jansen (born 29 November 2006) is an Australian swimmer who competes in freestyle events.

Career Jansen grew up on the Gold Coast where she attended Somerset College and was a member of the Somerset Swim Club throughout her youth.

She won gold in 50 meter freestyle at the 2022 Junior Pan Pacific Swimming Championships.

She was part of Australia's swimming team that took silver in the 4×100 meter freestyle and bronze in the 4x200 meter freestyle at the 2024 World Aquatics Swimming Championships in Budapest.

Jansen made her senior Long Course team debut at the 2025 World Aquatics Championships in Singapore. She won a gold medal swimming the final of the women's 4x100 meter freestyle relay, and was also awarded a gold medal for swimming the heats of the 4x200 meter freestyle relay.