The men's decathlon event at the 2009 European Athletics U23 Championships was held in Kaunas, Lithuania, at S. Dariaus ir S. Girėno stadionas (Darius and Girėnas Stadium) on 17 and 18 July.
[1][2][3][4][5][6][7][8][9][10][11][12][13] 17-18 July According to an unofficial count, 20 athletes from 13 countries participated in the event.