The Australian Women's Twenty20 Cup (WT20) was the premier domestic women's Twenty20 cricket competition in Australia. Beginning in 2007 as a series of exhibition matches, the first official tournament took place during the summer of 2009–10. All seven state and territory representative teams from its 50-over counterpart, the pre-existing Women's National Cricket League, participated in the WT20's formal six-year span. The competition was replaced by the Women's Big Bash League in 2015.