Marley Williams (born 22 July 1993) is a professional Australian rules footballer playing for the North Melbourne Football Club in the Australian Football League (AFL).
He previously played for the Collingwood Football Club from 2012 to 2016.
He was recruited by Collingwood in the 2012 Rookie Draft, with pick #35.
Williams made his debut in Round 9, 2012, against Adelaide at Football Park.Following the retirement of Ben Johnson in 2013, at the beginning of 2014 Johnson presented Williams with his number 26 guernsey, reenacting Gavin Brown's presentation of the guernsey to Johnson in 2001.
At the conclusion of the 2016 season, he was traded to North Melbourne.
On 5 July Williams extended his contract with North Melbourne until the end of the 2019 season.