Dorinda Cox

Dorinda Rose Cox (born 25 May 1976) is an Australian politician who has been a Senator for Western Australia since 2021. A Yamatji and Noongar woman, she is the first Indigenous woman to represent Western Australia in the Senate. She was originally appointed by the Australian Greens to fill the casual vacancy caused by the resignation of Senator Rachel Siewert in 2021, and was then elected as the Greens' lead Senate candidate in Western Australia at the 2022 federal election. She defected from the Greens to join the Labor Party in June 2025.