UAE First Division League is the second tier of football league competition in the United Arab Emirates.
As of 2020–21, the league features 15 sides who play each other in a home and away round-robin format, with a total of 28 games for each team. The top two sides gain promotion to the UAE Pro-League. On 29 May 2019, UAEFA announced that a UAE Second Division League to be established with smaller clubs, privately owned clubs, football academies with semi-professional teams compete for promotion to UAE Division one. On 6 July 2022, UAEFA announced that the number of participants will increase to 17 teams for the 2022–23 season. An increase of 2 teams, promoted from the UAE Second Division, and no relegation for UAE First Division clubs from the 2021–22 season, in an expansion season.