1974–75 Tercera División
The 1974–75 Tercera División season is the 41st since its establishment. League tables

Group I

Group II

Group III

Group IV

Promotion playoff

Relegation playoff

Tiebreakers

Season records
 Most wins: 28, Osasuna. Most draws: 16, Torrejón. Most losses: 28, Unión Club. Most goals for: 79, Osasuna. Most goals against: 97, Unión Club. Most points: 61, Osasuna. Fewest wins: 5, Caudal and Unión Club. Fewest draws: 3, Tortosa. Fewest losses: 5, Osasuna. Fewest goals for: 26, Real Granada. Fewest goals against: 25, Deportivo de La Coruña. Fewest points: 15, Unión Club. External links
RSSSF 
Futbolme 

Tercera División seasons
3
Spain