2009 Down Senior Football Championship

The 2009 Down Senior Football Championship was the 2009 instalment of the annual Gaelic football club championship in Down. The tournament is a straight knockout competition between the 16 elite clubs in Down. The 2008 holders of the championship were Mayobridge. The competition ran from 6 August to 4 October 2009.

Tournament Qualification
The teams chosen to play in this competition are decided as follows:
 * The 12 teams from the Down Division One in 2008.
 * The 2 teams from Division Two that earned promotion.
 * The winners of the Down Intermediate Football Championship in 2008.
 * The 3rd placed team in Division Two. In the event the Intermediate Champions are in the top 3 of Division Two, then the 4th place team will also compete.