The Football League Championship season 2009–10 (referred to as the Coca-Cola Football League Championship for sponsorship reasons) is the sixth season of the league under its current title and eighteenth season under its current league division format. It started on 7 August 2009.

Promoted to Premier League

Relegated to League One

Relegated from Premier League

Promoted from League One

Note: "Amendments to the laws of the game 2009–2010" also applied

¹ Ground contains some terracing

¹Joe Lewis was given captaincy after team captain George Boyd was loaned to Nottingham Forest

A total of 24 teams contested the division, including 18 sides remaining in the division from last season, three relegated from the Premier League, and three promoted from League One.

Source: The Football League
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored.
^* Crystal Palace were given a ten point deduction for entering administration.
(C) = Champion; (R) = Relegated; (P) = Promoted; (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; (DQ) = Disqualified from tournament.

The Football League Championship (often referred to as The Championship for short, or the npower Championship for sponsorship reasons) is the highest division of The Football League and second-highest division overall in the English football league system after the Premier League.

The Football League Championship was introduced for the 2004–05 season, having been previously known as the Football League First Division. According to Deloitte, in the 2004–05 season it was the wealthiest non-top flight football division in the world, and the sixth richest division in Europe.

The winners of the Football League Championship receive the Football League Championship trophy which is the same trophy as the old First Division (now the Premier League) Champions were handed prior to the Premier League's inception in the 1992–93 season.

For the 2012-13 season, Ipswich Town will have held the longest tenure in the Championship, having not been promoted or relegated from the division since the 2002–03 season.

The Football League 2009–10, called the Coca-Cola Football League for sponsorship reasons, was the 110th completed season of the Football League. It began in August 2009 and concluded in May 2010, with the promotion play-off finals. The Football League is contested through three Divisions. The divisions are the League Championship, League One and League Two. The winner and the runner up of the League Championship will be automatically promoted to the Premier League and they will be joined by the winner of the League Championship playoff. The bottom two teams in League Two will be relegated to the Conference National.

The league was won by Newcastle United, with West Bromwich Albion as runners up. Both teams were promoted to the Premier League. Sheffield Wednesday, Plymouth Argyle and Peterborough United were relegated into League One. Grimsby Town and Darlington were relegated from the Football League. Attendance levels in the Football League in the 2009–10 season were the highest for 50 years, with 17.1m people paying to watch games in the three divisions.