Lean management has become a much-researched topic in operations management. Beyondits technical aspects, nowadays the analysis of soft factors (corporate culture, organization,management, human resource management, knowledge transfer practices) have come to thefore. However, there are few sources available to the lean organization to find out what orga-nizational changes are taking place alongside the lean application, and what organizationalstructures are being developed. In our study first we deal with the literature-based conceptsof lean organizational structure and with the international examples, and then through fiveHungarian corporate solutions and with help of the literature of organizational theories wesynthesize the lean organizational forms.