2004–05 Football League One

The 2004–05 Football League One was the first season of the renamed Football League Second Division, the third tier of English football.

From League One
Promoted to Championship
 * Plymouth Argyle
 * Queens Park Rangers
 * Brighton & Hove Albion

Relegated to League Two
 * Grimsby Town
 * Rushden & Diamonds
 * Notts County
 * Wycombe Wanderers

To League One
Relegated from Championship
 * Walsall
 * Bradford City
 * Wimbledon (renamed Milton Keynes Dons)

Promoted from League Two
 * Doncaster Rovers
 * Hull City
 * Torquay United
 * Huddersfield Town

Semi-finals

 * First leg


 * Second leg

Sheffield Wednesday won 3–1 on aggregate.

''Tranmere Rovers 2–2 Hartlepool United on aggregate. Hartlepool United won 6–5 on penalties.''

Results
{{#invoke:Sports results|main
 * matches_style=FBR|solid_cell=grey
 * team1=BAR