The 2012–13 Qatari League, also known as Qatari Stars League was the 40th edition of top level football championship in Qatar. The season started on 15 September 2012 and took a monthlong break from 21 December to 21 January 2013 due to the 21st Arabian Gulf Cup. Lekhwiya were the defending champions. Al-Sadd won the league for the 13th time in their history, making them the most successful team in the Qatar Stars League.