The 2014–15 Tercera División was the fourth tier of football in Spain. Play started in August 2014 and ended in June 2015 with the promotion play-off finals.[1]
Competition format
The top four eligible teams in each group, played in the promotion playoffs.
The champion of each group will qualify to 2015–16 Copa del Rey. If the champion is a reserve team, the first non-reserve team qualified will join the Copa.
In each group, at least three teams will be relegated to Regional Divisions.
^Due to Real Avilés relegation from Segunda División B to this group, the reserve team, Real Avilés B, was relegated to Regional Preferente.
^ abDue to the relegation of Marino de Luanco and Langreo, L'Entregu and Andés are relegated to Regional Preferente for maintaining 20 teams in the group.
^Salmantino was relegated to the last tier by the Federation, as it is considered a new club and would not occupy the vacant place of UD Salamanca B when it was dissolved.[4] Its place is occupied the next season by CD Villamuriel.