Olonetsky District () is an administrative district (raion), one of the fifteen in the Republic of Karelia, Russia. Municipally, it is incorporated as Olonetsky Municipal District.<!-- It is located in the portion of the Republic and borders with District in the north, District in the east, District in the south, and District in the west. The area of the district is .--> Its administrative center is the town of Olonets. District's population: 27,034 (2002 Census); Population of Olonets accounts for 37.9% of the district's population.
Olonetsky District is the only district in the Republic where Karelians form a majority of the population (63.38% in 1989). Natural population growth rate was -12.02 per 1,000 in 1994.