Lemnos (Greek: Περιφερειακή ενότητα Λήμνου) is one of the regional units of Greece.

The regional unit covers the islands of Lemnos, Agios Efstratios and a few smaller, uninhabited islands, in the Aegean Sea.

As a part of the 2011 Kallikratis government reform, the regional unit Lemnos was created out of part of the former Lesbos Prefecture.

These are (number as in the map in the infobox):[2] The province of Lemnos (Greek: Επαρχία Λήμνου) was one of the provinces of the Lesbos Prefecture.

This North Aegean location article is a stub.