Orto was a monthly anarchist cultural magazine which was published in Valencia, Spain, between 1932 and 1934. Its subtitle was Revista de documentación social (Spanish: Magazine of social documentation).^[1]

Orto was started in Valencia in 1932,^[2] and its first issue appeared in March that year.^[3] It was founded and edited by Marín Civera.^[4] Josep Renau worked as the graphic editor of the magazine.^[3][5] Major contributors of Orto included Benjamín Jarnés, Ramón J. Sender, Isaac Puente, Hildegart Rodríguez and Vital Aza.^[4][5]

Orto was published on a monthly basis by the Institute of Social History Foundation and supported the Spanish labour movement.^[5] The magazine aimed to provide a forum for people with the different working-class ideologies depending on the ideas of syndicalism.^[5] Like other publications of the period in the country it also supported the premises of Neo-Malthusian and Eugenics.^[2] In terms of economics the magazine adhered to Marxism for which it was criticized.^[1] Marín Civera attempted to develop a synthesis of Marxism and anarcho-syndicalism in the magazine.^[6]

Orto featured articles on health, science, urbanism, agrarianism, politics, economy, sexuality, art, feminism and social struggles. It also published critical articles on religion.^[5]

Orto folded in January 1934 after producing twenty issues.^[3][4]