Olonets (disambiguation)
Olonets is a town in the Republic of Karelia, Russia
Olonets may also refer to:
- Olonets Governorate, a governorate of the Russian Empire
 - Olonets Viceroyalty, a viceroyalty of the Russian Empire bordering Vologda Viceroyalty
 - Olonets Oblast, a division of the Russian Empire, originally in Novgorod Viceroyalty
 - Olonets Isthmus, an isthmus in Russia between Lakes Onega and Ladoga
 - Olonets Group, another name for Aunus Group, a formation of the Finnish Army during the Continuation War
 - Olonets Karelian language, another name for the Livvi-Karelian language
 - Olonets subdialect, a subdialect in the group of the Northern Russian dialects
 - Olonets Provisional Government, a break-away state during the Russian Civil War and Heimosodat