The fan-voted prize, sponsored by the club's global partner Estee Lauder, returns following a perfect start to the new campaign for Marc Skinner's side in September.
United recorded WSL victories over West Ham and Everton during the month, with nominees Grace Clinton, Leah Galton and Lisa Naalsund all playing central roles in the season-opening successes.
Below, is a reminder of their contributions to those victories and the poll you need to cast your vote...
GRACE CLINTON (two appearances, two goals)
The midfielder won the PFA Young Player of the Year award on loan at Tottenham last season and has brought that accolade-winning form back to her parent club, at the start of this term.