The 2010 season is St. Patricks Athletic F.C.'s 81st year in existence, and their 59th year in the top division. The previous season the Saints finished 7th, failing to qualify for any European Competition.
When the 2009 season finished, St Pats underwent a revamp. Most of the squad from the 2009 season was let go, only 5 players from 2009 were kept for 2010.
On 9 December Pete Mahon was appointed manager after successfully leading the Saints out of relegation trouble last season. Pete Mahon signed 13 players during pre-season, creating a good deal of excitement amongst the fans.
On the 15th January it was announced that St Pats secured a kit deal with Umbro to add 4 years onto the deal already in place.Nissan were announced as the new main sponsors of the club after the deal with Paddy Power ran out. A new home and away jersey were issued for the 2010 season.
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored. 1Sligo Rovers have qualified for the second qualification round of the 2011–12 UEFA Europa League by combined virtue of playing in the 2010 FAI Cup against Champions League-bound team Shamrock Rovers and their league placement. Sporting Fingal took over the first qualifying round spot. (C) = Champion; (R) = Relegated; (P) = Promoted; (E) = Eliminated; (O) = Play-off winner; (A) = Advances to a further round.
Only applicable when the season is not finished: (Q) = Qualified to the phase of tournament indicated; (TQ) = Qualified to tournament, but not yet to the particular phase indicated; (RQ) = Qualified to the relegation tournament indicated; (DQ) = Disqualified from tournament.
St Pats were drawin against Drogheda in the First Round of the Leinster Senior Cup. The match was due to take place on Wednesday 10 February, but it was postponed at Droghedas request because of financial problems.