The 2008–09 Copa Federación de España was the 16th staging of the Copa Federación de España, a knockout competition for Spanish football clubs in Segunda División B and Tercera División.

The competition began on 2 August 2008 and ended with the finals on 2 April and 15 April 2009, where Real Jaén became champion after defeating Rayo Vallecano B 4-1 on aggregate.

Autonomous Communities tournaments

Andalusia tournament

Final

Asturias tournament

Qualifying tournament

Group A

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CauCeaTuiCaudal 2–3 0–0Ceares 1–0 1–1Tuilla 0–1 0–0

Group B

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LanLlaUniLangreo 0–1 5–1Llanes 0–1 0–1Uni 1–1 0–1

Group C

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LeaMarRibLealtad 1–4 1–3Marino 1–2 2–1Ribadesella 0–4 3–1

Group D

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AviCudSpBAvilés 0–2 3–4Cudillero 0–1 0–2Sporting B 1–2 2–0

Semifinals

Final

Aragon tournament

Quarter-finals

Semifinals

Final

Balearic Islands tournament

Semifinals

Final

Canary Islands tournament

Semifinals

Final

Cantabria tournament

Semifinals

Final

Castile and León tournament

Qualifying round

Semifinals

Final

Castile-La Mancha tournament

Quarter-finals

Semifinals

Final

Catalonia tournament

Qualifying round

Final

Euskadi tournament

Final TeamPldWDLGFGAGDPtsLeioa220051+46Gernika21012203Amurrio200215-40

Extremadura tournament

Qualifying round

Quarterfinals

Semifinal

Final

Galicia tournament

Qualifying round

Semifinals

Final

La Rioja tournament

Semifinals

Final

Madrid tournament

Final TeamPldWDLGFGAGDPtsRayo B220062+46Leganés210135-23SS Reyes200224-20

Murcia tournament

Quarter-finals

Semifinals

Final

Navarre tournament

Qualifying tournament

Group A TeamPldWDLGFGAGDPtsValle de Egüés220070+76Oberena210125-33Multivera200215-40

Group B

Final

Valencia tournament

Semifinal

Final

National tournament

National Qualifying round

Round of 32

Round of 16

Quarterfinals

Semifinals

Final