Langile Abertzale Iraultzaileen Alderdia (English: Party of the Revolutionary Patriotic Workers, LAIA), was a Communist political party of the Southern Basque Country and Basque nationalist ideology that was born during the last years of the Francoist State as a result of a division of ETA.

[1] Its acronym, laia is also the Basque name of an agricultural tool.

LAIA participated in the formation of on the Koordinadora Abertzale Sozialista (KAS) and in the Herri Batasuna (HB) coalition, that left in 1980, joining Auzolan in 1983.

The party never officially registered in the register of political parties of the Interior Ministry, and always participated in elections through coalitions.

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