2020–21 Serbian First League

Note: Flags indicate national team as has been defined under FIFA eligibility rules.

Players and Managers may hold more than one non-FIFA nationality.

Nike is the official ball supplier for Serbian First League.

Kelme is the official sponsor of the Referee's Committee of the Football Association of Serbia.

For the list of transfers involving First League clubs during 2020–21 season, please see: List of Serbian football transfers summer 2020.