1950–51 Tercera División

The 1950–51 Tercera División was the 15th edition of the Spanish third tier.

Format
100 teams in 6 geographic groups participated this season. The winners and runners up of each group progressed to the Promotion play-offs. They formed two groups of 6 clubs playing each other home and away (10 games each). The winners and runners up of each group were promoted to the Segunda División. Tenerife, although not a Tercera División member were involved in a play-off against the 13th placed side in the South Group of the Segunda División.

Group I
Note: Caudal and Alavés were promoted to the Segunda División.

Group II
Note: Atlético Baleares and Alicante CF were promoted to the Segunda División.

Season records

 * Most wins: 23, Eibar.
 * Most draws: 9, 6 teams.
 * Most losses: 25, Cieza.
 * Most goals for: 111, Atlético de Zamora.
 * Most goals against: 113, Cieza.
 * Most points: 52, Eibar.
 * Fewest wins: 5, Santiago and Cieza.
 * Fewest draws: 0, Manresa.
 * Fewest losses: 5, Eibar.
 * Fewest goals for: 28, Cieza.
 * Fewest goals against: 31, Alavés.
 * Fewest points: 10, Cieza.