The 2020–21 Liga II (also known as 2020–21 Liga II Casa Pariurilor) was the 81st season of the Liga II, the second tier of the Romanian football league system. A total of 21 teams contested the league, instead of 20, due to the no relegation rule imposed in the previous season by the suspension of the league due to COVID-19 pandemic. It was the fifth Liga II season with a single series. In the regular season each team played every other team once, followed by a promotion play-off and a relegation play-out. The first two teams promoted to Liga I at the end of the season and the third-placed and fourth-placed team played a play-off match against the 13th-placed and 14th-placed team from Liga I. The last six teams relegated to Liga III. The season began on 5 September 2020 and ended on 3 June