The 2025–26 Charlton Athletic season is the 120th season in their existence, having been founded in 1905, and their first season back in the Championship. The club are participating in Championship, the FA Cup and the EFL Cup. The season covers the period from 1 July 2025 to 30 June 2026.
Friendlies.
On Monday 2 June 2025, Charlton announced their first two pre-season friendlies against Dartford and Cambridge United. On 19 June 2025, Charlton announced their third and fourth pre-season friendlies and that they will return to Slovenia for a pre-season training camp ahead of the 2025/26 campaign. While there, they will face HNK Gorica in a behind-closed-doors friendly. They also announced that, on their return, they would face National League outfit Wealdstone. On Tuesday 24 June 2025, Charlton announced their fifth friendly against Southend United. On Friday 27 June 2025, Charlton announced their sixth and final friendly against Ipswich Town.
Competitions.
Championship.
Matches.
The 2025–26 season fixtures were released on Thursday 26 June 2025.
EFL Cup.
The first round draw was made on Thursday 26 June 2025.