It was announced on 27 March 2018 as a complete women's Australian rules football team of 21 players, the first time that this happened after teams in the AFL Women's were reduced from 22 players following the competition's inaugural season.
The initial 40-woman All-Australian squad was announced on 21 March.
Collingwood and Melbourne had the most players selected in the initial squad with seven each, while grand finalists Brisbane and the Western Bulldogs had six each.
Adelaide co-captain Chelsea Randall was announced as the All-Australian captain and Melbourne captain Daisy Pearce, the previous year's All-Australian captain, was announced as the vice-captain.
[2] Note: the position of coach in the AFL Women's All-Australian team is traditionally awarded to the coach of the premiership-winning team.