Căiuţi is a commune in Bacău County, Romania. It is composed of nine villages: Blidari, Boiştea, Căiuţi, Floreşti, Heltiu, Mărceşti, Popeni, Pralea and Vrânceni.
Coordinates: 46°11′N 26°56′E / 46.183°N 26.933°E / 46.183; 26.933