The 2018–19 Sydney FC W-League season was the club's eleventh season in the W-League, the premier competition for women's football in Australia.

This season the team played their home games at Seymour Shaw Park, Jubilee Oval, Leichhardt Oval and WIN Stadium.

The club is managed by Ante Juric.

Last updated 24 October 2018[1] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Last updated: February 2019, end of regular season.