Abstract. Disinformation in the management of military organization. Disinformation in managing each organization is the process affecting efficiency of the decision making. Disinformation plays a special role in the structures of military organizations. The paper content includes the methods of disinformation influence observed in the environment of contemporary military operations. Selection of examples based on previous military conflicts (e. g. Iraq, Afghanistan) shows practical solutions applied during the process of disinformation which is hereby characterized and its role in information management has been indicated in the paper.