| 2018 Fermanagh SFC | |
| County: | Fermanagh |
| Province: | Ulster |
| Year: | 2018 |
| Trophy: | New York Cup |
| Level: | Senior |
| Sponsor: | Quinn Building Products |
| Date: | 17 August - 30 September 2018 |
| Num Teams: | 8 |
| Defending Champions: | Derrygonnelly Harps |
| Winners: | Derrygonnelly Harps |
| Ordinal: | 7 |
| Manager: | Sean Flanagan |
| Captain: | Ryan Jones |
| Qualify For: | 2018 Ulster Club SFC |
| Runnersup: | Ederney St Joseph's |
| Runnerupmanager: | Mickey Cassidy |
| Runnerupcaptain: | Christopher Snow |
| Relegated: | Belcoo O'Rahillys |
| Previous: | 2017 |
| Next: | 2019 |
The 2018 Fermanagh Senior Football Championship was the 112th edition of the Fermanagh GAA's premier club Gaelic football tournament for senior clubs in County Fermanagh, Northern Ireland. The tournament consists of 8 teams, with the winner representing Fermanagh in the Ulster Senior Club Football Championship. The championship had a straight knock-out format.
Derrygonnelly Harps were the three-time defending champions, having beaten Devenish St Mary's in the previous years final.[1]
Derrygonnelly successfully defended their title to claim their fourth championship in a row by beating Ederney St Joseph's in the final.[2] [3] [4]
The following teams have changed division since the 2017 championship season.
Promoted from 2017 Intermediate Championship
Relegated to 2018 Intermediate Championship
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The four losers of the quarter-finals playoff in this round. The two losers will face off in a relegation final, with the loser to be relegated to the 2019 Intermediate Championship.
See main article: 2018–19 All-Ireland Senior Club Football Championship.