Sponsor Name: Unknown
Year Founded: 1929
Country: Spain
Number of teams: 11
Record-holding champions: Real Madrid Castilla (5)
Reigning champion: UD Lanzarote
Top Rated Players
Players| # | Player | Rating | |
| 1 |  | Nico Baleani | 78 |
| 2 |  | Álex Fernández | 76 |
| 3 |  | Iago López | 76 |
| 4 |  | Dani Pedrosa | 75 |
| 5 |  | Carlos Portela | 75 |
Tercera División I Clubs
| Club | Manager | Stadium | Location | |
 | Bergantiños FC | Unknown | As Eiroas | Carballo |
 | CD Choco | Unknown | Campo Municipal de Santa Mariña | Redondela |
 | CD Constancia | Unknown | Nou Camp d'Inca | Inca |
 | CD Dorneda | Unknown | Eugenio Pardo Conchado | Oleiros |
 | CD Laudio | Unknown | Ellakuri | Laudio |
 | CD Puerta Bonita | Unknown | Antiguo Canódromo | Carabanchel |
 | CD Sariñena | Unknown | El Carmen | Sariñena |
 | Real Madrid C | Pau Quesada | Ciudad Real Madrid | Madrid |
 | SD Noja | Unknown | La Caseta | Noja |
 | Silva SD | Unknown | A Grela | A Coruña |
 | UD Ourense | Antonio Dacosta | O Couto | Ourense |
Tercera División I Referees
| None |
Tercera División I Club History
| Season | Club | |
| 2013/2014 |  | UD Lanzarote |
| 2012/2013 |  | Racing Ferrol |
| 1967/1968 |  | Real Madrid Castilla |
| 1965/1966 | | Real Madrid Castilla |
| 1963/1964 | | Real Madrid Castilla |
| 1956/1957 | | Real Madrid Castilla |
| 1928/1929 | | Real Madrid Castilla |