Chalkeia (Greek: çìûúõùñ) is a former municipality in Aetolia-Acarnania, West Greece, Greece. Since the 2011 local government reform it is part of the municipality Nafpaktia, of which it is a municipal unit. The municipal unit has an area of 114.189 km<sup>2</sup>. Population 2,219 (2021). The seat of the municipality was in Trikorfo.
The municipal unit Chalkeia is subdivided into the following communities (constituent villages in brackets):