The 2018–19 3. Liga was the 26th season of the third-tier football league of Slovakia since its establishment in 1993. The league is composed of 63 teams divided in four groups of 16 teams each; only 3. liga Východ (East) includes 15 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.
TIPOS III. liga Bratislava
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Locations
League table
Top goalscorers
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TIPOS III. liga Západ
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League table
Top goalscorers
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TIPOS III. liga Stred
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Locations
League table
Top goalscorers
.
TIPOS III. liga Východ
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Relegated from 2. liga
FK Spišská Nová Ves
Withdrew from 3. liga
MFK Rožňava
Promoted from 4. liga
AŠK Maria Huta (4. liga Juh (South) winners) FK Humenné (4. liga Sever (North) winners)
Locations
League table
Top goalscorers
.