The 2014–15 Football League Championship was the 130th season in the history of Millwall Football Club.

It was their 89th season in the Football League and 40th in the second tier of English football.

It was Millwall's fifth continuous season in the Championship, after promotion from the Football League One in 2010.

Source: [citation needed]

EU = if holds or not a European Union passport; Country: when 2 flags, 1st flag = country that plays for internationally, 2nd flag = country of birth; N = number on jersey; P = Position (for position name, pause mouse pointer on abbreviation); Name = Name on jersey (for more extensive name, pause mouse pointer on name); Age = age on the day of the signing; Moving from = only indicate the club the player was playing before start playing for this club in this season, for the type of the moving see Status column; Moving to = only indicates the club the player is going to play next, for the type of the moving see Status column; Ends = when the player's current contract ends; n/a = Not applicable.