The 2012–13 season was the 53rd season in the history of NK Maribor and the club's 22nd consecutive season in the Slovenian PrvaLiga since the league establishment in 1991. The team participated in the Slovenian PrvaLiga, Slovenian Football Cup, UEFA Champions League, and UEFA Europa League. The season covers the period from 1 June 2012 to 31 May 2013. Darko Milanič was a head coach of the club.