This article presents a Spanish adaptation of Denison Organizational Culture Survey, a questionnaire designed to evaluate organizational culture. This survey consists of 60 items, grouped in 12 sub-scales, which identify 4 cultural dimensions. These dimensions have been widely study and their influence in organizational effectiveness is accepted. This adaptation has been applied in 488 participants using confirmatory factor analysis. Results show adequate psychometric properties, so we can conclude that the Spanish adaptation almost fully replicates the structure of the original version in English.... xmlui.dri2xhtml.METS-1.0.item-leermas