- Source: 2025 FC Seoul season
The 2025 season is FC Seoul's 42nd in the K League 1. The club also participated in the 2025 edition of the FA Cup. As the team finished 4th in the league, they qualified for the AFC Champions League Elite competition. This is because the FA Cup winner, Pohang Steelers failed to finished in Top 4 of the league and Gimcheon Sangmu who finished third, not eligible for the competition.
Players
Transfers
= Pre-season
=In
Transfers in
Returned from loan
Out
Transfers out
Loaned out
Loan return
= Mid-season
=In
Transfers in
Out
Transfers out
Loaned out
Loaned return
Competitions
= Overall record
== K League 1
=Matches
As usual, the league season is played over 38 matches. After 33 league matches between the 12 participating teams, the teams are split into the final round (top 6 teams) and relegation round (bottom 6 teams).
= Korean FA Cup
== 2025–26 AFC Champions League Elite
=Win
Draw
Loss
League stage
Team statistics
= Appearances and goals
=As of 3 Dec 2024