The 2010 Leinster Senior Cup marked the return of the competition following a ten-year absence.
The teams entered included the League of Ireland clubs affiliated to the Leinster Football Association, the top four clubs from the 2008–09 Leinster Senior League Senior Division and the two 2009 Leinster Junior Cup finalists.
The 2010 Leinster Senior Cup kicked off with the preliminary round on 26 January 2010 and concluded with the Final on 2 August 2010 when Shelbourne defeated Bray Wanderers 4–0 at the Carlisle Grounds, Bray.
[3] The draw for the Quarter Finals took place on 10 March 2010.
The draw for home advantage in the final took place on 23 July 2010.