Dărmănești is a town located in eastern Romania within the Bacău County region. Situated in the valleys of the Trotuș and Uz rivers, the settlement's name is derived from one of its historical leaders, Dărman.
The earliest recorded references to the town date back to the 16th century. It officially attained town status in 1989 as a result of the Romanian rural systematization program. As of 2021, the population of Dărmănești is 13,069.