Football League One 2009-10

Start of season
Teams promoted to Football League Championship 2009-10
 * TBA
 * TBA
 * TBA

Teams promoted from League One 2008-09
 * TBA
 * TBA
 * TBA

End of season
Teams relegated from Football League Championship 2009-10
 * TBA
 * TBA
 * TBA

Teams relegated to League One 2010-11
 * TBA
 * TBA
 * TBA