2019–20 III liga

The 2019–20 III liga season was the 12th edition of the fourth tier domestic division in the Polish football league system since its establishment in 2008 under its current title (III liga) and the 4th season under its current league division format.

The competition was contested by 72 clubs split geographically across 4 groups of 18 teams each, with the winners of each group gaining promotion to the II liga.

It began in August 2019 and was supposed to end in June 2020.

The season was suspended indefinitely on 12 March 2020 due to the COVID-19 pandemic.

Each group of III liga is managed by a different voivodeship football association.