特尔古奥克纳是罗马尼亚的城镇，位于该国东北部，距离首府巴克乌39公里，由巴克乌县负责管辖，面积48.90平方公里，海拔高度261米，2009年人口12,913，大多数居民信奉东正教。

Târgu Ocna (Romanian pronunciation: [ˌtɨrɡu ˈokna]) is a town in Bacău County, Romania, situated on the left bank of the Trotuş River, an affluent of the Siret, and on a branch railway which crosses the Ghimeş Pass from Moldavia into Transylvania. Târgu Ocna is built among the Carpathian Mountains on bare hills formed of rock salt. In fact the English translation of Ocna is salt mine.