The 2019–20 Liga II (also known as 2019–20 Liga II Casa Pariurilor) was the 80th season of the Liga II, the second tier of the Romanian football league system. The season began on 3 August 2019 and ended on 2 August 2020. A total of 20 teams contested the league. It was the fourth Liga II season with a single series. The season was initially scheduled to be played in a round-robin tournament. The first two teams would be promoted to Liga I at the end of the season and the third-placed team would play a play-off match against the 12th-placed team from Liga I. The last five teams would relegate to Liga III.