• Basque politicians by party (18 C)
• Politicians from Catalonia by party (23 C)
• Politicians from Galicia (Spain) by party (4 C)
• Politicians from Navarre by party (3 C)

*

• Leaders of political parties in Spain (3 C, 105 P)
• MEPs for Spain by party (20 C)

A

• Ahora Repúblicas politicians (1 C)
• Andalusian Party politicians (1 P)
• Andalusian Social Liberal Party politicians (1 P)
• Andalusian Unity politicians (1 P)

C

• Canarian Coalition politicians (11 P)
• CEDA politicians (5 P)
• Chunta Aragonesista politicians (4 P)
• Citizens (Spanish political party) politicians (1 C, 37 P)
• Coalició Compromís politicians (1 C, 5 P)
• Coalition for Melilla politicians (1 P)
• Communist Party of Spain politicians (82 P)
• Conservative Party (Spain) politicians (45 P)
• Constitutional Party (Spain) politicians (5 P)

D

• Democratic and Social Centre (Spain) politicians (1 C, 19 P)
• Democratic Party (Spain) politicians (2 P)

E

• Equo politicians (3 P)

F

• FET y de las JONS politicians (3 C, 56 P)

G

• Confederation of the Greens politicians (1 C, 1 P)

I

• Independent politicians in Spain (1 C, 9 P)

L

• Liberal Independent Group politicians (3 P)
• Liberal Party (Spain, 1880) politicians (38 P)
• Liberal Republican Right politicians (3 P)
• Liberal Union (Spain) politicians (13 P)

M

• Más Madrid politicians (8 P)
• Moderate Party (Spain) politicians (42 P)

N

• National Front (Spain) politicians (1 P)

P

• People's Alliance (Spain) politicians (36 P)
• People's Democratic Party (Spain) politicians (5 P)
• People's Party (Spain) politicians (2 C, 410 P)
• People's Party of the Valencian Community politicians (3 P)
• People's Socialist Party (Spain) politicians (3 P)
• Pirate Party (Spain) politicians (1 P)
• Podemos (Spanish political party) politicians (2 C, 51 P)
• Popular Action (Spain) politicians (10 P)
• POUM politicians (13 P)
• Progressive Party (Spain) politicians (23 P)

R

• Radical Democratic Party (Spain) politicians (2 P)
• Radical Republican Party politicians (16 P)
• Radical Socialist Republican Party politicians (8 P)
• Reformist Party (Spain) politicians (7 P)
• Regionalist Party of Cantabria politicians (4 P)
• Renovación Española politicians (7 P)
• Republican Action (Spain) politicians (7 P)
• Republican Left (Spain) politicians (19 P)
• Republican Union (Spain, 1934) politicians (2 P)
• Republican Union Party (Spain) politicians (4 P)

S

• Socialist Party of the Valencian Country politicians (3 P)
• Spanish Socialist Workers' Party politicians (3 C, 422 P)
• Spanish Agrarian Party politicians (2 P)
• Spanish Communist Party politicians (4 P)
• Spanish Patriotic Union politicians (6 P)
• Syndicalist Party politicians (2 P)

U

• Unified Socialist Party of Catalonia politicians (5 P)
• Union for the Progress of Cantabria politicians (1 P)
• Union of the Democratic Centre (Spain) politicians (91 P)
• Union, Progress and Democracy politicians (1 C, 13 P)
• United Left (Spain) politicians (4 C, 37 P)

V

• Valencian Union politicians (8 P)
• Vox (political party) politicians (1 C, 107 P)

W

• Workers and Peasants' Bloc politicians (2 P)