The 2013–14 Football League Championship was the 129th season in the history of Millwall Football Club. It was their 88th season in the Football League and 39th in the second tier of English football. It was Millwall's fourth continuous season in the Championship, after promotion from the Football League One in 2010. The season marked Steve Lomas's first season in charge of Millwall, after being appointed in pre-season. The club sacked Lomas on 26 December 2013, after he won only five of his 22 games in charge. Ian Holloway was appointed as his permanent replacement on 4 January 2014.