2023–24 Millwall F.C. season

The 2023–24 season was the 139th season in the history of Millwall Football Club, their seventh consecutive season in the Championship, 97th consecutive season in the Football League, and 47th in the second tier. The club played in the FA Cup, and the EFL Cup. In preseason, Millwall announced the death of owner and chairman John Berylson, who passed away in an accident on 4 July. He was succeeded as chairman by his son; James Berylson.

On 18th October 2023, the club announced it had mutually agreed to part company with first team manager Gary Rowett. Assistant manager Adam Barrett took over as interim manager for four games, before England under-20s manager Joe Edwards was installed as their new Head Coach on 6 November 2023. In his debut game, Edwards led Millwall to a 4–0 win at Sheffield Wednesday, the Lions largest away win in the second tier since 2001 and the biggest win in a first game for a Millwall manager since Ron Gray in 1956. Edwards was sacked after winning only four of his 19 games in charge, leaving Millwall in relegation trouble. Neil Harris returned to manage the club, winning eight of their final 13 games, including five in a row to finish the season strongly in 13th place.

Millwall's average home attendance of 16,540 was their highest since the 1952–53 season. Zian Flemming finished top scorer this season with eight goals, the lowest since the 2007–08 season.

Current squad
Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.

In
† Signed for the Under-21s

Pre-season and friendlies
On 19 June, Millwall announced their pre-season schedule, with matches against Gillingham, Sutton United, Charlton Athletic and Fortuna Sittard.

Matches
On 22 June, the EFL Championship fixtures were released.

FA Cup
As a Championship club, Millwall entered the FA Cup in the third round and were drawn at home to Leicester City.

EFL Cup
Millwall were drawn at home to Reading in the first round.

Overall Stats

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