A disclosed liquid jet head includes a nozzle plate having plural nozzles for jetting liquid therefrom, plural flowpaths formed in communication with the plural nozzles, a vibration plate member having a flexible part that forms at least one of the walls of each flowpath, and plural piezoelectric element units having a piezoelectric element member fixed to a base member. Each piezoelectric element unit has plural piezoelectric elements divided by a plurality of slits formed in the piezoelectric element member. The plural piezoelectric element units are arranged in a straight line at predetermined intervals along the plural nozzles.