Rachael Louise Haynes (born 26 December, 1986) is an Australian cricketer who has won six world championships as a member of the national women's team. A left-handed batter, Haynes was vice-captain of Australia from 2017 to 2022. She also captains the Sydney Thunder in the Women's Big Bash League (WBBL) and played for New South Wales in the Women's National Cricket League (WNCL). Haynes announced her retirement from international and WNCL cricket on 15 September 2022.