The Sumsky Skerries (Russian: Сумские шхеры, Sumskiye Shkhery) are an extensive cluster of islands, islets and shoals in the White Sea. They are located in the Onega Bay, close to its southern shore.

The largest islands of these skerries are: Sosnovtsy, Bolshoy Varbostrov, Malyy Varbostrov, Berezovets, Raydostrov, Ugmorin and Kondostrov.

This island group belongs to the Republic of Karelia administrative division of the Russian Federation.