List of Chicago Fire FC seasons
This is a list of seasons played by Chicago Fire FC in North American soccer competitions from 1998, when the club was formed, to the most recent completed season. It details the club's achievements in all major competitive competitions.
Key
;Key to competitions- Major League Soccer – The [United States association football|soccer league system|top-flight] of soccer in the United States, established in 1996.
- U.S. Open Cup – The premier knockout cup competition in U.S. soccer, first contested in 1914.
- CONCACAF Champions League – The premier competition in North American soccer since 1962. It went by the name of Champions' Cup until 2008.
| 1st or W | Winners |
| 2nd or RU | Runners-up |
| 3rd | Third place |
| Last | Wooden Spoon |
| ♦ | MLS Golden Boot |
| Highest average attendance | |
| Italics | Ongoing competition |
;Key to league record
- Season = The year and article of the season
- Div = Division/level on pyramid
- League = League name
- Pld = Games played
- W = Games won
- L = Games lost
- D = Games drawn
- GF = Goals for
- GA = Goals against
- GD = Goal difference
- Pts = Points
- PPG = Points per game
- Conf. = Conference position
- Overall = League position
- DNE = Did not enter
- DNQ = Did not qualify
- NH = Competition not held or canceled
- QR = Qualifying round
- PR = Preliminary round
- GS = Group stage
- R1 = First round
- R2 = Second round
- R3 = Third round
- R4 = Fourth round
- R5 = Fifth round
- Ro16 = Round of 16
- QF = Quarterfinals
- SF = Semifinals
- F = Final
- RU = Runners-up
- W = Winners