Evelio Boal López (Valladolid, 11 May 1884 – Barcelona, 18 June 1921) was a Spanish graphic designer, trade unionist and anarchist.

He was one of the organizers of the Congress of Sants of the National Confederation of Labour, forming part of the commission that wrote the report.

By 1908 he was already a member of the board of the Union of the Art of Printing and launched the strike against El Progreso, an organ of Alejandro Lerroux's Radical Republican Party.

[1] He later joined the National Confederation of Labor (Spanish: Confederación Nacional del Trabajo, CNT) and collaborated in the weekly Tierra y Libertad under the pseudonym Chispazos.

[1][2] When he was released on the morning of 17 June 1921, he was assassinated at the prison gate, along with Antoni Feliu i Codina [ca], then treasurer of the CNT, in application of the escape law.