List of Chelsea F.C. seasons
This is a list of all seasons played by Chelsea Football Club in English and European football, from their inaugural season in 1905–06 to their last completed season. It details their record in every major competition entered, as well as the top goalscorers for each season. Top scorers in bold were also the top scorers in Chelsea's division that season.
Chelsea have won every major domestic and international honour, and have never been outside the top two divisions in English football. In total, the club have won six League Championships, eight FA Cups, five League Cups, two UEFA Champions Leagues, two UEFA Europa Leagues, two UEFA Cup Winners' Cups, one UEFA Conference League, and two FIFA Club World Cups. In addition, Chelsea have also won various minor honours, including four FA Community/Charity Shields, two Full Members' Cups, and two UEFA Super Cups.
As of the end of the 2024–25 season, Chelsea have spent 90 seasons in the top division.
Key
- Prem – Premier League
- Div 1 – Football League First Division
- Div 2 – Football League Second Division
- CS – FA Charity Shield / FA Community Shield
- UCL – European Cup / UEFA Champions League
- UEL – Inter-Cities Fairs Cup / UEFA Cup / UEFA Europa League
- UEC – UEFA Conference League
- CWC – European Cup Winners' Cup / UEFA Cup Winners' Cup
- USC – UEFA Super Cup
- FWC – FIFA Club World Cup
- FM – Full Members' Cup
- Pld – Matches played
- W – Matches won
- D – Matches drawn
- L – Matches lost
- GF – Goals for
- GA – Goals against
- Pts – Points
- Pos – Final position
- 1Q – First qualifying round
- 2Q – Second qualifying round
- 3Q – Third qualifying round
- PO – Play-off round
- R32 – Round of 32
- R16 – Round of 16
- R1 – Round 1
- R2 – Round 2
- R3 – Round 3
- R4 – Round 4
- R5 – Round 5
- R6 – Round 6
- QF – Quarter-finals
- SF – Semi-finals
- RU – Runners-up
- W – Winners
| Winners | Runners-up | Promoted ↑ | Relegated ↓ | Top scorer in Chelsea's division |