| Country: | Spain |
| Num Teams: | 32 (in national phase) |
| Prevseason: | 2020 |
| Nextseason: | 2022 |
| Champions: | Córdoba (1st title) |
| Runner-Up: | Guijuelo |
| Matches: | 31 |
| Goals: | 69 |
| Top Goal Scorer: | Simo Bouzaidi Julen Huidobro José Ángel Giráldez (3 goals) |
The 2021 Copa Federación de España was the 29th edition of the Copa Federación de España, also known as Copa RFEF, a knockout competition for Spanish football clubs.
The competition began in August with the first games of the regional stages and ended in November with the final of the national tournament. As part of the new competition format started in 2019, the four semifinalists qualified to the Copa del Rey first round.
The Royal Andalusian Football Federation (RFAF) decided to create the 'Copa RFAF' in 2020. The finalists of this competition were selected as the Andalusian representatives in the Copa Federación national phase.[1] The tournament started August 22nd.
Eight teams joined the tournament: Barbastro (5), Belchite 97 (5), Binéfar (5), Borja (5), Calamocha (5), Cuarte (5), Ejea (4) and Utebo (5). The group phase started 11 August.
12 teams joined the competition. The draw was made August 2nd and the tournament started August 7th. Semifinals and final were played between August 28th and September 8th in the same venue.[2]
The knockout stage matches were played at Estadio Sergio Sánchez, in El Berrón, Siero.
Formentera (4), Peña Deportiva (4), Platges de Calvià (5), Poblense (5) and Sant Jordi (5) joined the tournament.[3]
Leioa was directly selected by the Basque Football Federation.[4]
Tenisca (5) and Unión Viera (5) joined the tournament.[5]
Eight teams joined the tournament. All matches were played at El Malecón stadium, in Torrelavega.[6]
Ten teams joined the XX Trofeo Junta de Comunidades de Castilla-La Mancha.[7] Atlético Albacete, as reserve team, can not qualify for the national stage.
Six teams joined the tournament.[8] Burgos Promesas, as reserve team, can not qualify for the national stage.
Guijuelo qualifies to National Phase because Burgos Promesas is the reserve team of Burgos.[9]
Lleida Esportiu (4) and Sant Andreu (5) joined the tournament.[10]
Betis de Hadú was directly selected by Federación de Fútbol de Ceuta due to sporting merits.[11]
13 teams joined the tournament.[12]
A total of 15 teams joined the regional phase of the RFEF Cup for the 2021/2022 season.[13]
Eight teams joined the tournament.[14]
Copa Real Federación Madrileña de Fútbol (RFFM) was one stage of the qualifying tournament. The winner of Copa RFFM qualified to the semifinals with Las Rozas (5), Móstoles URJC (4) and Navalcarnero (4). 8 teams joined Copa RFFM, starting August 15th: Alcorcón B (5), Carabanchel (5), Fuenlabrada B (5), Moratalaz (5), Parla (5), Pozuelo (5), Rayo Vallecano B (5) and Torrejón (5).
As Fuenlabrada B is a reserve team and cannot qualify to national stage, Torrejón continues in the tournament.
Melilla was directly selected by Real Federación Melillense de Fútbol due to sporting merits.[15]
Four teams joined the tournament.[16]
Eight teams joined the tournament.[17]
8 teams joined the tournament.[18]
National phase was played between October and December with 32 teams (20 winners of the Regional Tournaments and the best 12 teams of 2020-21 Segunda División B not qualified to 2021–22 Copa del Rey). The four semifinalists qualified to 2021–22 Copa del Rey's first round.[19]
The draw for the entire tournament was made at the RFEF headquarters on September 24. The teams were divided into four pots based on geographical criteria. Each pot was played independently until the semi-finals.[21]
Winners qualified to the 2021–22 Copa del Rey first round.
| Rank | Player | Team | Goals |
|---|---|---|---|
| 1 |  Bouzaidi | Córdoba | 3 |
| Huidobro | Leioa | ||
| Giráldez | Guijuelo | ||
| 3 | Sagüés | Izarra | 2 |
| Tonete | Yeclano | ||
| Gato | Juventud Torremolinos | ||
| Camús | Racing Santander | ||
 Moha Keita | Lleida | ||
| Casas | Córdoba | ||
| Justo | Racing Santander | ||
| Villa | Leioa |