Olonetsky District (; ) is an administrative district (raion), one of the fifteen in the Republic of Karelia, Russia. It is located in the south of the republic. The area of the district is . Its administrative center is the town of Olonets. As of the 2010 Census, the total population of the district was 23,124, with the population of Olonets accounting for 39.2% of that number.