Republican Popular Unity

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{{Infobox political party

| country = Spain

| name = Republican Popular Unity

| native_name = Unidad Popular Republicana

| colorcode = {{party color|Republican Popular Unity}}

| logo = Logo de Unidad Popular Republicana.svg

| leader =

| headquarters =

| foundation = 1986

| dissolution = 1987

| predecessor =

| merged =

| successor =

| ideology = Marxism-leninism
Republicanism

| position = Far-left

| colours =

| european =

| europarl =

| international =

| website =

}}

Republican Popular Unity ({{langx|es|Unidad Popular Republicana}}, UPR) was a Spanish electoral candidacy formed to contest the 1986 general election by the Communist Party of Spain (Marxist–Leninist) (PCE (m–l)) and Republican Convention of the Peoples of Spain (CRPE).{{cite news |last=García |first=Rocío |date=31 May 1986 |title='Verdes', extrema izquierda y falangistas intentan abrirse hueco en el panorama político |url=http://elpais.com/diario/1986/05/31/espana/517874408_850215.html |language=Spanish |work=El País |location=Madrid |access-date=29 March 2017}}{{cite web|url=http://www.historiaelectoral.com/pei.html |title=Partidos de extrema izquierda |language=Spanish |publisher=historiaelectoral.com |accessdate=29 March 2017}}