| Competition: | Segunda División |
| Season: | 1950–51 |
| Winners: | Real Gijón Atlético Tetuán |
| Promoted: | Real Gijón Atlético Tetuán Las Palmas Zaragoza |
| Relegated: | Gerona Ceuta Numancia Albacete |
| League Topscorer: | Paco Campos (29 goals) |
| Best Goalkeeper: | Manuel Sión (0.96 goals/match) |
| Biggest Home Win: | (5 November 1950) (31 December 1950) |
| Biggest Away Win: | (17 September 1950) (8 October 1950) |
| Highest Scoring: | (22 October 1950) (4 February 1951) |
| Matches: | 482 |
| Total Goals: | 1884 |
| Prevseason: | 1949–50 |
| Nextseason: | 1951–52 |
The 1950–51 Segunda División season was the 20th since its establishment and was played between 9 September 1950 and 6 May 1951.
32 teams joined the league, including two relegated from the 1949–50 La Liga and 6 promoted from the 1949–50 Tercera División.
| Club | City | Stadium |
|---|---|---|
| CF Badalona | Badalona | Avenida de Navarra |
| Club Baracaldo | Baracaldo | Lasesarre |
| Club Ferrol | Ferrol | Inferniño |
| Gerona CF | Gerona | Vista Alegre |
| Real Gijón | Gijón | El Molinón |
| RS Gimnástica de Torrelavega | Torrelavega | El Malecón |
| Gimnástico de Tarragona | Tarragona | Avenida de Cataluña |
| UD Huesca | Huesca | San Jorge |
| CD Logroñés | Logroño | Las Gaunas |
| SG Lucense | Lugo | Los Miñones |
| CD Numancia | Soria | San Andrés |
| UD Orensana | Orense | O Couto |
| CA Osasuna | Pamplona | San Juan |
| Real Oviedo CF | Oviedo | Buenavista |
| CD Sabadell FC | Sabadell | Cruz Alta |
| CD San Andrés | Barcelona | Santa Coloma |
| Zaragoza CF | Zaragoza | Torrero |
| Goalscorers | Goals | Team |
|---|---|---|
 Francisco Campos | 29 | Real Gijón |
| 28 | Real Gijón | |
| José Fontanet | 24 | Gerona |
| Mariano Martín | 22 | San Andrés |
| Pino | 19 | Sabadell |
| Goalkeeper | Goals | Matches | Average | Team | |
|---|---|---|---|---|---|
| Manuel Sión | 30 | 31 | Real Gijón | ||
| Goyo | 26 | 21 | Osasuna | ||
| Candi | 37 | 29 | Zaragoza | ||
| Zamorita | 30 | 23 | Ferrol | ||
| Rogelio Lozano | 33 | 24 | Lucense |
| Goalscorers | Goals | Team |
|---|---|---|
| Manolín | 28 | Atlético Tetuán |
| Loren | 21 | Salamanca |
| 19 | Mallorca | |
| Lolo | 18 | Hércules |
| Abilio Rubio | 17 | Albacete |
| Goalkeeper | Goals | Matches | Average | Team | |
|---|---|---|---|---|---|
| Manuel Pachón | 35 | 28 | Atlético Tetuán | ||
| Adauto Iglesias | 28 | 20 | Plus Ultra | ||
| José García | 43 | 26 | Mestalla | ||
| César Larrarte | 44 | 26 | Salamanca | ||
| Manuel Montes | 43 | 25 | Las Palmas |