2021–22 3. Liga (Slovakia)

The '''2021–22 3. Liga''' is the 29th season of the third-tier football league of Slovakia since its establishment in 1993. The league is composed of 66 teams divided into three groups of 16 teams and one group (Západ) composed of 18 teams. Teams are divided into four divisions: 3. liga Bratislava, 3. liga Západ (West), 3. liga Stred (Central), 3. liga Východ (Eastern), according to geographical separation.

Changes
The following teams have changed division since the 2020–21 season:

To 2. liga
Relegated from 2. liga
 * Poprad

Promoted from 4. liga
 * Raslavice
 * Rudňany

From 2. liga
Promoted to 2. liga
 * Humenné

Relegated to 4. liga
 * Bardejovská Nová Ves

Relegated to 5. liga
 * Plavnica (due to financial problems)