Popular Unity () was a political and electoral alliance in Spain. The alliance was organized in 2015 to contest the 2015 general election. Alberto Garzón was its lead candidate. In the 2015 election, it won two seats in the 350-seat Congress of Deputies.

Composition Party Scope United Left (IU) — Popular Unity in Common (UPeC) — Aragonese Union (CHA) Aragon Asturian Left (IAS) Asturias Left (I–E) Navarre Building the Left–Socialist Alternative (CLI–AS) — Segoviemos (Segoviemos) Segovia Castilian Left (IzCa) Valladolid

Electoral performance Cortes Generales Cortes Generales Election Leading candidate Congress Senate Votes % Seats Votes % Seats 2015 Alberto Garzón 926,783 3.7 (#5) 2,372,637 3.6 (#5) —

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