2012–13 3. Liga (Slovakia)

The 2012–13 season of the 3. Liga (also known as the Keno 10 3. liga for sponsorship reasons) was the twentieth season of the third-tier football league in Slovakia, since its establishment in 1993.

The league was composed of 32 teams divided into two groups of 16 teams each, whose teams were divided geographically (Western and Eastern). Teams only played other teams in their own division.

Keno 10 3. liga Západ
Changes from last season

To Keno 10 3. liga Západ

 * Promoted from Majstrovstvá regiónu
 * PFK Piešťany
 * FK Slovan Levice
 * LP Domino


 * Relegated from 2. liga
 * FC Petržalka 1898

From 3. liga Západ

 * Promoted to 2. liga
 * FK Slovan Duslo Šaľa
 * FC ŠTK 1914 Šamorín


 * Not registered to 3. liga Západ
 * PŠC Pezinok
 * FK Púchov

Keno 10 3. liga Východ
Changes from last season

To Keno 10 3. liga Východ

 * Promoted from Majstrovstvá regiónu
 * MŠK Fomat Martin
 * ŠK Futura Humenné


 * Relegated from 2. liga
 * FK LAFC Lučenec

From 3. liga Východ

 * Promoted to 2. liga
 * Partizán Bardejov
 * TJ Baník Ružiná


 * Relegated to Majstrovstvá regiónu
 * MFK Lokomotíva Zvolen
 * MFK Goral Stará Ľubovňa