The 2020–21 Sydney FC W-League season was the club's thirteenth season in the W-League, the premier competition for women's football in Australia.
 "As of 1 January 2021"
Players.
Squad information.
 ;templatestyles src="Template:Football squad player/styles.css" / ;
W-League.
Regular season.
 ;templatestyles src="Template:Football_box_collapsible/styles.css" / ;
 ;templatestyles src="Template:Football_box_collapsible/styles.css" / ;
 ;templatestyles src="Template:Football_box_collapsible/styles.css" / ;
 ;templatestyles src="Template:Football_box_collapsible/styles.css" / ;
 ;templatestyles src="Template:Football_box_collapsible/styles.css" / ;
 ;templatestyles src="Template:Football_box_collapsible/styles.css" / ;
 ;templatestyles src="Template:Football_box_collapsible/styles.css" / ;
 ;templatestyles src="Template:Football_box_collapsible/styles.css" / ;
 ;templatestyles src="Template:Football_box_collapsible/styles.css" / ;
 ;templatestyles src="Template:Football_box_collapsible/styles.css" / ;
 ;templatestyles src="Template:Football_box_collapsible/styles.css" / ;
 ;templatestyles src="Template:Football_box_collapsible/styles.css" / ;
Finals series.
 ;templatestyles src="Template:Football_box_collapsible/styles.css" / ; ;templatestyles src="Template:Football_box_collapsible/styles.css" / ;
References.
 ;templatestyles src="Reflist/styles.css" / ;