Lefki may refer to several places in Greece:
Lefki, Ithaca, a village on the Strait of Ithaca Lefki, Karditsa, a village in the Karditsa regional unit, part of the municipal unit Fyllo Lefki, Kastoria, a village in the Kastoria regional unit, part of the municipal unit Agia Triada Lefki, Larissa, a village of the Elassona municipality Lefki, Lasithi, a municipality in Lasithi, Crete an alternative name of Koufonisi, Crete, an archipelago south of Crete a village in Evmoiro, Xanthi, Greece