Communist Party of Spain (international) (in Spanish: Partido Comunista de España (internacional)), was a communist political party in Spain.
The PTE was formed around 1967, following a split from the 'Unidad' group within the Unified Socialist Party of Catalonia (PSUC). The Catalan group unified with small splinter fractions of the Communist Party of Spain (PCE), especially from Seville.
At the 2nd congress of PCE(i) in 1975 the party changed its name to Party of Labour of Spain (in , PTE) and adopted an internal federal structure. A minority broke away, and regrouped themselves with the name PCE(i). In Catalonia the party worked under the name and in Andalusia under the name . The same year PTE joined the Democratic Junta of Spain.
The leader of PTE was Eladio GarcÃÂa. The youth wing of PTE was Young Red Guard of Spain (). PTE launched its own trade union movement, the Workers Unitary Trade Union Confederation (CSUT), as they were dissatisfied with developments in Workers' Commissions.
The central organ of PCE(i)/PTE was (-1975). In 1975-1977 it published and 1977-1979 . The Basque National Committee of PTE published and the Catalonia National Committee published .
In 1977 PTE formed the Democratic Left Front (FDI) to contest the Spanish general election. In Catalonia it formed a coalition with the Republican Left of Catalonia, and contested as Left of Catalonia (). In the same year the Communist Unification Party (PCU) merged into PTE.
In 1978 a section of the Catalan branch of the party broke away and formed a separate Party of Labour of Catalonia (PTC). In the 1979 general elections PTE got 192,330 votes (1.07%). Later the same year PTE merged with the Workers' Revolutionary Organisation (ORT) and formed the Workers' Party (PT).