莱夫卡斯州（希腊语：Νομός Λευκάδας），是希腊爱奥尼亚群岛大区中北部的一个州，西临爱奥尼亚海，东隔海与希腊大陆相望。由莱夫卡斯岛及其附近小岛组成。面积355.936平方公里，2005年人口22,879人，无论在面积和人口方面都是全希腊最小的。首府莱夫卡斯。

下分6市、2镇。

Lefkada, or Leucas or Leucadia or Lefkas or Leukas (Greek:Λευκάδα [lefˈkaða]; Ancient Greek and Katharevousa: Λευκάς), is a Greek island in the Ionian Sea on the west coast of Greece, connected to the mainland by a long causeway and floating bridge. The principal town of the island and seat of the municipality is Lefkada. It is situated on the northern part of the island, approximately 1 hour by automobile away from Aktion National Airport. The island is part of the regional unit of Lefkada.