The defender wins the award for his match winner against Morecambe in League One.
Cheltenham Town's Goal of the Month is presented by our presenting partners, Seymour John.
As a specialist recruitment and consultancy services group, Seymour John delivers integrated people and performance solutions for sustainable, organisational success.
Alfie May, Charlie Brown, Sean Long, Ryan Broom and Liam Sercombe all had goals in October, however the majority of Robins fans voted for Williams who finished with 59% of the 200 votes.
As well as presenting our winner with the award, Seymour John will also donate £100 to William's chosen charity of choice.