Salmon scored 8 goals for the club and was leading their goalscoring charts in all competitions
The striker netted key goals against former club Manchester United, Reading, Liverpool and Birmingham City throughout the 2019/20 campaign.
Robins boss Tanya Oxtoby told the club website “Ebony is another one of our young English players who has gone from strength to strength working within our environment and getting much-valued WSL game time this year.
“She has had some stellar performances this season, and we are delighted to be able to continue to work with her next season to help her reach her potential.”
Salmon follows Carla Humphrey in extending her stay at the Robins this week as they plan ahead to the 2020/21 season.