2018–19 Chelsea F.C. Women season

The 2018–19 season was Chelsea Women's 27th competitive season and 9th consecutive season in the top flight of English football. It was the first season after the naming switch from Chelsea Ladies and also the first season in the rebranded FA Women's Super League. The season covers the period from 1 July 2018 to 30 June 2019.

Coaching staff
{|class="wikitable" !Position !Staff
 * Manager||🏴󠁧󠁢󠁥󠁮󠁧󠁿 Emma Hayes
 * Assistant manager||🏴󠁧󠁢󠁥󠁮󠁧󠁿 Paul Green
 * Coach||🏴󠁧󠁢󠁥󠁮󠁧󠁿 TJ O'Leary
 * Head of Player Development||🏴󠁧󠁢󠁥󠁮󠁧󠁿 Robert Udberg
 * Coach||🏴󠁧󠁢󠁥󠁮󠁧󠁿 TJ O'Leary
 * Head of Player Development||🏴󠁧󠁢󠁥󠁮󠁧󠁿 Robert Udberg
 * Head of Player Development||🏴󠁧󠁢󠁥󠁮󠁧󠁿 Robert Udberg
 * Head of Player Development||🏴󠁧󠁢󠁥󠁮󠁧󠁿 Robert Udberg

WSL Cup
Group 1 South

Round of 32
Chelsea won 11–0 on aggregate.

Round of 16
Chelsea won 7–0 on aggregate.

Quarter-finals
Chelsea won 3–2 on aggregate.

Semi-finals
Lyon won 3–2 on aggregate.