The 2013–14 Second League (known as the Spor Toto 2.

Lig for sponsorship reasons) is the third level in the Turkish football.

The season began on 8 September 2013 and will end on 11 May 2014.

In end of the 2013-2014 season, 4 teams (2 teams in each group) relegate to TFF Third League and 6 teams promote from TFF Third League.