Marlon Pack (born 25 March 1991) is an English professional footballer who plays as a midfielder for EFL Championship club Portsmouth.

Born in Portsmouth, Hampshire, Pack became a first year scholar in the 2007–08 season playing regularly for the academy and occasionally for the reserves.

By the time he signed a one-year professional contract at the end of the 2008–09 season, he had played more than 50 games for Portsmouth's junior teams.

[3][4] He made his debut in the League Cup against Crystal Palace on 24 August 2010 as an extra time substitute, scoring in the subsequent penalty shoot out.

[4] Pack made his debut in the Football League five days later as a second-half substitute in a narrow loss to Brighton & Hove Albion.

[6] He made nine appearances in all competitions for Wycombe, where he remained until 26 October when new manager Gary Waddock chose not to extend the loan further.

[9] Pack signed on a season-long loan for Cheltenham Town on 31 August 2010[10] making his debut on 4 September in a 3–1 away defeat to Barnet.

Pack joined Cardiff on 8 August 2019 for an undisclosed fee on a three-year contract, ending his Bristol City captaincy in the process.