The 2015 Donegal Senior Football Championship was the 93rd official edition of the Donegal GAA's premier club Gaelic football tournament for senior graded teams in County Donegal.
The defending champion was St Eunan's.
[1] The 2015 championship took the same format as the 2014 championship, in which there were four groups of four clubs, with the top two clubs qualifying for the quarter-finals.
The club finishing bottom in each group contested relegation play-offs to determine which team would be relegated to the 2016 Donegal Intermediate Football Championship.
Quarter-finals Semi-finals Final