1951–52 Tercera División

The 1951–52 Tercera División season was the 16th since its establishment.

Format
16 clubs in 6 geographic groups (96 clubs) participated. Three withdrew before the end of the season. The 6 group winners were promoted to the Segunda División. It had been planned to reorganise the Segunda and Tercera Divisiónes but the plan was never implemented and the Promotion play-offs had no consequence. The bottom three clubs in Groups I and II of the Segunda División were relegated and no other Tercera División clubs were promoted.

Season records

 * Most wins: 21, España Industrial.
 * Most draws: 10, Tomelloso.
 * Most losses: 22, Polvorín, Igualada and Real Ávila.
 * Most goals for: 90, Escoriaza.
 * Most goals against: 104, Polvorín.
 * Most points: 46, España Industrial.
 * Fewest wins: 4, Polvorín, Igualada and Atlético Malagueño.
 * Fewest draws: 1, 5 teams.
 * Fewest losses: 4, Cacereño.
 * Fewest goals for: 24, Atlético Malagueño.
 * Fewest goals against: 24, Real Avilés.
 * Fewest points: 11, Atlético Malagueño.