The 2019 Nadeshiko League was the 31st season of Japan's women's association football highest division league.
The season started on 21 March 2019 and was completed on 3 November 2019 with the play-offs on 10 November 2019 and 16 November 2019. NTV Beleza won their 14th and their 5th consecutive title.
10 teams contested the league, nine teams from the previous season and one promoted team, Iga FC Kunoichi. Nittaidai was able to defeat Nippatsu Yokohama FC Seagulls at the play-offs and thus remained in the league.
Updated to matches played on 3 November 2020