The 2024–25 Croatian Third Football League (also known as Treća Nogometna Liga and 3. NL) is the 34th edition of the fourth tier of Croatian football league and 3rd season of the restructured Treća nogometna liga.
2023–24 season is the second season, where fourth tier competition is named Third Football League, and the second season where fourth tier competition was the highest competition divided in groups (traditionally it being third tier competition).[1]
The winner of every group will qualify for the promotion qualifications, as well as the 14th placed team in Second Football League. Those six teams will battle for 3 open spots in next seasons' Second Football League.[2]
The league is contested in 5 groups, based on geographic locations, 16 teams per group. Groups are based on centers: Varaždin (North),[3] Rijeka (West),[4] Zagreb (Center),[5] Osijek (East)[6] and Split (South).[7]