The 2009–10 season was Panathinaikos' 51st consecutive season in Super League Greece. The 2009–10 season was very successful for Panathinaikos. At the summer transfer window the club bought Djibril Cissé from Marseille, Kostas Katsouranis from Benfica, Sebastian Leto from Liverpool and various other players spending more than €35 million. The team managed to enter the final 16 of Europa League and win the Greek Championship. Panathinaikos completed the domestic double by winning the Greek Cup final.

As of 9 September 2009. Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.

Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.

total spending : 15,650,000 €

Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.

Source: [2]

Source: Super League Greece
Rules for classification: 1st points; 2nd head-to-head points; 3rd head-to-head goal difference; 4th decision match.
(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.
Head-to-Head: used when head-to-head record is used to rank tied teams.

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