The France Under-21 international had a superb month, delivering an inspirational second-half performance as we came back to draw 2-2 with Tottenham.
Guendouzi was also the driving force as we twice came from behind to beat Aston Villa 3-2.
The 20-year-old won a penalty that Nicolas Pepe converted, before laying on an assist for Calum Chambers.
Guendouzi received 48 per cent of the votes cast, with Pierre-Emerick Aubameyang finishing in second place and Chambers in third.