2021–22 Iraqi Third Division League

The 2021–22 Iraqi Third Division League was the 48th season of what is now called the Iraqi Second Division League, the fourth tier of the Iraqi football league system, since its establishment in 1974. The number of clubs in the league have varied throughout history for various reasons; 173 clubs participated in this year's edition. The top 38 teams in the league are promoted directly to Iraqi Second Division League. There is no general date for the start of the league, but each subsidiary football association chooses the best time to start the league in their region.