Poppy Starr Olsen is an Australian regular-footed professional skateboarder.

Olsen became world champion in the over-14 age group in 2014 and in the over-15 age group in 2015. In 2016, she became the first female Australian to compete in the Summer X Games. In July 2021, Olsen was named as part of Australia's inaugural Olympic skateboarding team to compete at the 2020 Summer Olympics in Tokyo.