Cetatea de Baltă (Hungarian: Küküllővár; German: Kokelburg) is a commune in Alba County, Transylvania, Romania.

Cetatea de Baltă lies on the left bank of the river Târnava Mică.

At the 2021 census, Cetatea de Baltă had a population of 2,792, of whom 41.26% were Romanians, 38.04% Roma, and 14.46% Hungarians.

Cetatea de Baltă is part of the Târnave Vineyard, making viticulture an essential component of the local economy.

The Cetatea de Baltă gas field is located on the territory of the commune.