The 2017–18 FA Women's Premier League Plate is the fourth running of the competition, which began in 2014. It is the secondary League Cup competition run by the FA Women's Premier League (FA WPL), and is run in parallel with the league's primary League Cup competition, the Premier League Cup. The teams that take part in the WPL plate are decided after the determining round of the WPL Cup. The winners of determining round matches continue in the WPL Cup, while the losers move into the WPL Plate.