The study analyses the Organizational Performance antecedents, mainly the mediating role of the Entrepreneurial Orientation in the relationship between the Organizational Learning and the Organizational Performance in small Brazilian enterprises. A confirmatory factorial analysis was performed, through a structural equation modeling (SEM), to test the association between constructs. The results confirmed the hypothesis. The Entrepreneurial Orientation mediation role for the relationship between the Organizational Learning and the Organizational Performance. It was noted, however, that the organizational learning still needs to be better structured regarding formal procedures in those small enterprises researched.