Holly Winterburn is a British professional basketball player for Athinaikos of the Greek Women's Basketball League. She also plays for the Great Britain women's national basketball team. In college, Winterburn played for Oregon Ducks women's basketball.
In April 2024, Holly became a EuroCup Women's Champion, as London Lions became the first British Team ever to win a European basketball Trophy when they beat Beà Âiktaà  JK (women's basketball) to win the FIBA EuroCup Women title.
On 5 February 2025, the Atlanta Dream announced that they had signed Winterburn to a training camp contract under the rookie scale for the upcoming WNBA season. However, on 7 April, it was announced that she would miss the 2025 season due to an injury.
Winterburn was part of the Great Britain that qualified for EuroBasket Women 2025 by beating Denmark 75-58.
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