The 2012–13 Omani Federation Cup was the second edition of a pre-season football competition held in Oman. The first edition was played in 2007. The competition started on 2 August 2012 and finished on 28 January 2013. The competition featured four groups of 3 teams, with the top two advancing to the quarter-final stages. The competition featured all the clubs playing in the top flight in the 2012–13 season. Two clubs, Oman Club and Al-Seeb Club who won the first edition withdrew due to a dispute with the Oman Football Association.