Marshall Chalk (born 13 March 1981) is an Australian former professional rugby league footballer and current local politician.

Chalk made his first grade debut on 22 August 2004 against the Sydney City Roosters.

In his 2nd first grade game, Chalk scored 4 tries as Canberra defeated South Sydney 62-22.

In 2009, he joined newly promoted Super League Welsh side Crusaders,[2][3] where he played 14 games, scoring 4 tries; before returning to his native Australia for the 2010 season signed with the Gold Coast but did not make any first grade appearances for the club.

[4][5] At the 2020 Queensland local government elections, Chalk ran in division 5 of the Scenic Rim Regional Council and won the seat.