Folegandros (, also Pholegandros) is a small Greek island in the Aegean Sea which, together with Sikinos, Ios, Anafi and Santorini, forms the southern part of the Cyclades. Its surface area is about and it has 765 inhabitants. It has three small villages, Chora, Karavostasis, and Ano Meria, which are connected by a paved road. Folegandros is part of the Thira regional unit.