The 2012–13 season is Tuen Mun Sports Association's 3rd consecutive season in the Hong Kong First Division League, the top flight of Hong Kong football.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Players with dual nationality: Updated to match played 26 May 2013Source: Competitions

Source: [citation needed] Win Draw Loss Void [8]

Remarks: 1 The capacity of Aberdeen Sports Ground is originally 9,000, but only the 4,000-seated main stand is opened for football match.