The 2020 Carlow Senior Football Championship is the 120th edition of the Carlow GAA's premier club gaelic football tournament for senior graded clubs in County Carlow, Ireland. The tournament consists of 8 teams, with the winner going on to represent Carlow in the Leinster Senior Club Football Championship. The championship starts with a group stage and then progresses to a knock out stage.
Éire Óg were the defending champions after they defeated Palatine in the previous years final.
This was O'Hanrahans return to the senior grade after claiming the 2019 Carlow Intermediate Football Championship title, thus ending a 3-year exodus since being relegated in 2017. There was no Relegation Playoff in 2020 due to COVID-19.
Relegated to 2019 Carlow Intermediate Football Championship
Ballinabranna
Group stage
There are two groups of four teams. The top two teams in each group compete in the semi-finals. The bottom team in each group compete in the relegation Final.