1997 Tercera División play-offs
The 1997 Tercera División play-offs to Segunda División B from Tercera División were the final playoffs for the promotion from 1996–97 Tercera División to 1998–99 Segunda División B. The first four teams in each group took part in the play-off.
Format
The 68 participating teams were divided into 5 series each made up of 4 groups in the category, with the exception of Series E , which was only formed by Group XII . Each series was divided into 4 groups formed by a 1st, a 2nd, a 3rd and a 4th classified from each group, which played a double-round playoff. Each victory was equivalent to 3 points, the tie to 1 point and the defeat to 0 points. The champion of each group obtained the promotion to Second Division B.The distribution of each series was as follows:
Teams for 1996–97 Play-Offs
Group I – Galicia  | Group II – Asturias  | Group III – Cantabria  | Group IV – Basque Country  | Group V – Catalonia  |
| 1st Vista Alegre SD | 1st Club Siero | 1st CD Tropezón | 1st CD Touring | 1st Palamós CF |
| 2nd Puente Orense CF | 2nd Navia CF | 2nd Racing de Santander B | 2nd CD Elgoibar | 2nd FC Barcelona C |
| 3rd CD Lalín | 3rd Caudal Deportivo | 3rd CD Bezana | 3rd Deportivo Alavés B | 3rd UE Badaloní |
| 4th Viveiro CF | 4th CD Lealtad | 4th Velarde CF | 4th Amurrio Club | 4th CE Europa |
Group XI – Balearic Islands  | Group XII – Canary Islands  | Group XIII – Region of Murcia  | Group XIV – Extremadura  | Group XV – Navarre and La Rioja   |
| 1st CD Constancia | 1st SD Tenisca | 1st Cartagonova CF | 1st Jerez CF | 1st Peña Sport FC |
| 2nd CD Atlético Baleares | 2nd CD Tenerife B | 2nd Lorca CF | 2nd Moralo CP | 2nd UDC Chantrea |
| 3rd CF Sóller | 3rd CD Maspalomas | 3rd Jumilla CF | 3rd UP Plasencia | 3rd CD Oberena |
| 4th CD Manacor | 4th UD Pájara Playas de Jandía | 4th Águilas CF | 4th CD Grabasa Burguillos | 4th Haro Deportivo |