2012 Tercera División play-offs
The 2012 Tercera División play-offs to Segunda División B from Tercera División were the final playoffs for the promotion from 2011–12 Tercera División to 2012–13 Segunda División B. The first four teams in each group took part in the play-off.
Format
The eighteen group winners have the opportunity to be promoted directly to Segunda División B. The eighteen group winners were drawn into a two-legged series where the nine winners will promote to Segunda División B. The nine losing clubs will enter the play-off round for the last nine promotion spots.The eighteen runners-up were drawn against one of the seventeen fourth-placed clubs outside their group and the eighteen third-placed clubs were drawn against one another in a two-legged series. The twenty-seven winners will advance with the nine losing clubs from the champions' series to determine the eighteen teams that will enter the last two-legged series for the last nine promotion spots. In all the playoff series, the lower-ranked club play at home first. Whenever there is a tie in position, a draw determines the club to play at home first.
Group Winners Promotion Play-off
Qualified teams
The draw took place in the RFEF headquarters, in Las Rozas, on 14 May 2012, 17:00 CEST.| Group | Team |
| 1 | Ourense |
| 2 | Caudal |
| 3 | Noja |
| 4 | Laudio |
| 5 | AE Prat |
| 6 | Catarroja |
| 7 | Fuenlabrada |
| 8 | Real Valladolid B |
| 9 | Loja |
| Group | Team |
| 10 | Atlético Sanluqueño |
| 11 | Constància |
| 12 | Marino |
| 13 | Yeclano |
| 14 | Arroyo |
| 15 | Peña Sport |
| 16 | SD Logroñés |
| 17 | Ejea |
| 18 | Villarrobledo |
Matches
First leg
Second leg
Non-champions Promotion Play-off
First round
Qualified teams
The draw took place in the RFEF headquarters, in Las Rozas, on 14 May 2012, 17:00 CEST.| Group | Position | Team |
| 1 | 2nd | Alondras |
| 2 | 2nd | Real Avilés |
| 3 | 2nd | Laredo |
| 4 | 2nd | Barakaldo |
| 5 | 2nd | RCD Espanyol B |
| 6 | 2nd | Levante UD B |
| 7 | 2nd | Real Madrid C |
| 8 | 2nd | Real Ávila |
| 9 | 2nd | Unión Estepona |
| 10 | 2nd | San Fernando |
| 11 | 2nd | Binissalem |
| 12 | 2nd | Tenisca |
| 13 | 2nd | Águilas FC |
| 14 | 2nd | Díter Zafra |
| 15 | 2nd | Izarra |
| 16 | 2nd | Alfaro |
| 17 | 2nd | Sariñena |
| 18 | 2nd | Almansa |
| Group | Position | Team |
| 1 | 3rd | Cerceda |
| 2 | 3rd | Langreo |
| 3 | 3rd | Racing Santander B |
| 4 | 3rd | Portugalete |
| 5 | 3rd | Manlleu |
| 6 | 3rd | Muro |
| 7 | 3rd | Puerta Bonita |
| 8 | 3rd | Cultural Leonesa |
| 9 | 3rd | Marbella |
| 10 | 3rd | Mairena |
| 11 | 3rd | Llosetense |
| 12 | 3rd | Las Palmas Atlético |
| 13 | 3rd | Mar Menor |
| 14 | 3rd | Extremadura UD |
| 15 | 3rd | Tudelano |
| 16 | 3rd | Haro |
| 17 | 3rd | Cuarte Industrial |
| 18 | 3rd | Azuqueca |
| Group | Position | Team |
| 1 | 4th | Pontevedra |
| 2 | 4th | Tuilla |
| 3 | 4th | Cayón |
| 4 | 4th | Beasain |
| 5 | 4th | Pobla de Mafumet |
| 6 | 4th | Alzira |
| 7 | 4th | Parla |
| 8 | 4th | Villaralbo |
| 9 | 4th | Maracena |
| 10 | 4th | Coria |
| 11 | 4th | Montuïri |
| 12 | 4th | Vera |
| 13 | 4th | La Hoya |
| 14 | 4th | Don Benito |
| 15 | 4th | Mutilvera |
| 16 | 4th | Varea |
| 17 | 4th | Utebo |
| 18 | 4th | Albacete B |
Matches
First leg
Second leg
Second round
Qualified teams
The draw will be held in the RFEF headquarters, in Las Rozas, on 28 May 2012.| Group | Position | Team | Notes |
| 4 | 1st | Laudio | Relegated from Group Winners Promotion Play-off |
| 6 | 1st | Catarroja | Relegated from Group Winners Promotion Play-off |
| 7 | 1st | Fuenlabrada | Relegated from Group Winners Promotion Play-off |
| 8 | 1st | Real Valladolid B | Relegated from Group Winners Promotion Play-off |
| 10 | 1st | Atlético Sanluqueño | Relegated from Group Winners Promotion Play-off |
| 13 | 1st | Yeclano | Relegated from Group Winners Promotion Play-off |
| 15 | 1st | Peña Sport | Relegated from Group Winners Promotion Play-off |
| 17 | 1st | Ejea | Relegated from Group Winners Promotion Play-off |
| 18 | 1st | Villarrobledo | Relegated from Group Winners Promotion Play-off |
| Group | Position | Team |
| 1 | 2nd | Alondras |
| 4 | 2nd | Barakaldo |
| 5 | 2nd | RCD Espanyol B |
| 6 | 2nd | Levante UD B |
| 7 | 2nd | Real Madrid C |
| 8 | 2nd | Real Ávila |
| 9 | 2nd | Unión Estepona |
| 10 | 2nd | San Fernando |
| 11 | 2nd | Binissalem |
| 12 | 2nd | Tenisca |
| 13 | 2nd | Águilas |
| 15 | 2nd | Izarra |
| 17 | 2nd | Sariñena |
| Group | Position | Team |
| 1 | 3rd | Cerceda |
| 3 | 3rd | Racing Santander B |
| 4 | 3rd | Portugalete |
| 5 | 3rd | Manlleu |
| 6 | 3rd | Muro |
| 9 | 3rd | Marbella |
| 11 | 3rd | Llosetense |
| 14 | 3rd | Extremadura UD |
| 15 | 3rd | Tudelano |
| Group | Position | Team |
| 5 | 4th | Pobla de Mafumet |
| 10 | 4th | Coria |
| 11 | 4th | Montuïri |
| 12 | 4th | Vera |
| 13 | 4th | La Hoya |
Matches
First leg
Second leg
Final round
Qualified teams
The draw took place in the RFEF headquarters, in Las Rozas, on 11 June 2012.| Group | Position | Team | Notes |
| 4 | 1st | Laudio | Relegated from Group Winners Promotion Play-off |
| 6 | 1st | Catarroja | Relegated from Group Winners Promotion Play-off |
| 7 | 1st | Fuenlabrada | Relegated from Group Winners Promotion Play-off |
| 10 | 1st | Atlético Sanluqueño | Relegated from Group Winners Promotion Play-off |
| 13 | 1st | Yeclano | Relegated from Group Winners Promotion Play-off |
| 15 | 1st | Peña Sport | Relegated from Group Winners Promotion Play-off |
| Group | Position | Team |
| 4 | 2nd | Barakaldo |
| 7 | 2nd | Real Madrid C |
| 10 | 2nd | San Fernando |
| 11 | 2nd | Binissalem |
| 12 | 2nd | Tenisca |
| 13 | 2nd | Águilas |
| 15 | 2nd | Izarra |
| Group | Position | Team |
| 3 | 3rd | Racing Santander B |
| 14 | 3rd | Extremadura UD |
| 15 | 3rd | Tudelano |
| Group | Position | Team |
| 5 | 4th | Pobla de Mafumet |
| 10 | 4th | Coria |