Orshansky District (; ) is an administrative and municipal district (raion), one of the fourteen in the Mari El Republic, Russia. It is located in the north of the republic. The area of the district is . Its administrative center is the urban locality (an urban-type settlement) of Orshanka. As of the 2010 Census, the total population of the district was 15,139, with the population of Orshanka accounting for 43.5% of that number.