The Scotland Player of the Year starred in a flawless December, which saw City tally four wins from four.
Gareth Taylor's side secured progress to the UEFA Women's Champions League Round of 16 and reignited our FA Women's Super League title charge with impressive victories over Everton and Arsenal.
Weir's influential displays have already earned deserved recognition, as she was also nominated for the league's own December Player of the Month gong.
Our mercurial midfielder faces stiff opposition for this award, lining up alongside Manchester United's Leah Galton and Hayley Ladd, Aston Villa's Shania Hayles, West Ham's Rachel Daly and Reading's Jess Fishlock.
Click the link below to vote before the 08:00 deadline on Monday 18 January.
Good luck, Caz!