The 2014–15 Nemzeti Bajnokság III began on August 16, 2014 and ended on June 30, 2015.
48 teams are competing in the season, divided into 3 groups.
The 3 winners of the groups are promoted to NB II, while the teams from 14th to 16th and the worst 13th are relegated to Megyei Bajnokság I.
[2] Following is the list of clubs competing in 2014–15 Nemzeti Bajnokság III - East, with their location and stadium.
[3] Following is the list of clubs competing in 2014–15 Nemzeti Bajnokság III - West, with their location and stadium.