2023–24 Charlton Athletic F.C. season

The 2023–24 Charlton Athletic season is the 118th season in their existence, having been founded in 1905, and their fourth consecutive season in League One. The club are participating in League One, the FA Cup, the EFL Cup and the EFL Trophy. The season covers the period from 1 July 2023 to 30 June 2024.

Squad statistics

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Friendlies
On Thursday 13 April 2023, Charlton announced their first pre-season friendly against Welling United. On Thursday 27 April 2023, Charlton announced their second pre-season friendly against Dartford On Wednesday 17 May 2023, Charlton announced their third pre-season friendly against Leyton Orient that would take place during their summer training camp in Spain On Wednesday 31 May 2023, Charlton announced a fourth pre-season friendly against Scottish side Aberdeen at The Valley. On Tuesday 6 June 2023, a fifth fixture was added, against Gillingham. On Monday 19 June 2023, a sixth friendly was announced against Millwall. On 5 July 2023, a seventh friendly was announced at Wealdstone.

Matches
The 2023–24 season fixtures were released on Thursday 22 June 2023.

FA Cup
The first round draw was made on Sunday 15 October 2023. On Friday 20 October 2023, the club confirmed the date of their first round fixture. The second round draw was made on Sunday 5 November 2023. On Monday 6 November 2023, the date of the first round replay was announced. On Wednesday 8 November 2023, it was confirmed the first round replay would be shown live on BBC Two and that the date for the fixture would be amended to allow for television coverage.

EFL Cup
The first round draw was made on Thursday 22 June 2023.

EFL Trophy
The regional group stage draw was confirmed on Wednesday 21 June 2023 and saw Charlton Athletic placed in Southern Group B, alongside Sutton United and Crawley Town. On Thursday 22 June 2023, it was confirmed that the final team in the group would be Aston Villa U21. On Monday 10 July 2023, the dates for the group stage fixtures were confirmed. On Friday 24 November 2023, the second round draw was made. On Monday 27 November 2023, the date for the second round tie was announced.