2008–09 Tercera División

The 2008–09 Tercera División was the fourth tier of football in Spain. Play started on 30 August 2008 and ended on 28 June 2009 with the promotion play-off finals.

Overview
There were 363 clubs competing in Tercera División (Third division) in the 2008–09 season, divided into 18 regional groups, each accommodating between 20 and 21 clubs.

The following clubs finished as champions of their respective groups


 * Grupo I (Galicia) - Compostela
 * Grupo II (Asturias) - Oviedo
 * Grupo III (Cantabria) - Gimn. Torrelavega
 * Grupo IV (País Vasco) - Lagun Onak
 * Grupo V (Cataluña) - Espanyol B
 * Grupo VI (Comunidad Valenciana) - Villajoyosa
 * Grupo VII (Comunidad de Madrid) - Alcalá
 * Grupo VIII (Castilla & León) - Palencia
 * Grupo IX (Andalucía Oriental (Almería, Granada, Jaén & Málaga) & Melilla) - Unión Estepona
 * Grupo X (Andalucía Occidental (Cádiz, Córdoba, Huelva & Sevilla) & Ceuta) - San Roque
 * Grupo XI (Islas Baleares) - Mallorca B
 * Grupo XII (Canarias) - Tenerife B
 * Grupo XIII (Región de Murcia) - Caravaca
 * Grupo XIV (Extremadura) - Cerro Reyes
 * Grupo XV (Navarra) - Izarra
 * Grupo XVI (La Rioja) - Varea
 * Grupo XVII (Aragón) - Monzón
 * Grupo XVIII (Castilla-La Mancha) - Toledo

The 18 group champion clubs participated in the Group winners promotion play-off and the losers from these 9 play-off ties then proceeded to the Non-champions promotion play-off with clubs finishing second, third and fourth.

Group winners promotion play-off
Promoted to Segunda División B: Gimn. de Torrelavega, Unión Estepona, Villajoyosa, Varea, Espanyol B, Real Oviedo, Toledo, Palencia and Compostela.

Non-champions promotion play-off
Promoted to Segunda División B: Izarra, San Roque, Alcalá, Cerro Reyes, Sporting Mahonés, Cacereño, Caravaca, Mallorca B and Mirandés.