A piezoelectric element comprising a substrate ; and a first electrode , first piezoelectric film , a second electrode , a second piezoelectric film , and a third electrode which are provided on the substrate in this order, wherein both the first piezoelectric film and the second piezoelectric film have spontaneous polarizations aligned in a film thickness direction and directions of the spontaneous polarizations of the first piezoelectric film (P1) and the second piezoelectric film (P2) are the same, and characterised in that in a case where in a hysteresis curve showing polarization-voltage characteristics of one piezoelectric film of the first piezoelectric film and the second piezoelectric film, a coercive voltage on a positive side is denoted by Vcf + , a coercive voltage on a negative side is denoted by Vcf, an absolute value |Vcf + - Vcf - | of a difference between both coercive voltages is denoted by ΔVcf, and the larger of an absolute value of the coercive voltage Vcf + a and an absolute value of the coercive voltage Vcf is denoted by Vcf, and in a hysteresis curve showing polarization-voltage characteristics of the other piezoelectric film of the first piezoelectric film and the second piezoelectric film, a coercive voltage on a positive side is denoted by Vcr + , a coercive voltage on a negative side is denoted by Vcr - , an absolute value |Vcr + - Vcr - | of a difference between both coercive voltages is denoted by ΔVcr, and the larger of an absolute value of the coercive voltage Vcr + and an absolute value of the coercive voltage Vcr - is denoted by Vcr, ΔVcr < ΔVcf - 0.2 and Vcr < Vcf - 0.2, where, units are all [V], are satisfied. a substrate ; and a first electrode , first piezoelectric film , a second electrode , a second piezoelectric film , and a third electrode which are provided on the substrate in this order, wherein both the first piezoelectric film and the second piezoelectric film have spontaneous polarizations aligned in a film thickness direction and directions of the spontaneous polarizations of the first piezoelectric film (P1) and the second piezoelectric film (P2) are the same, and characterised in that in a case where in a hysteresis curve showing polarization-voltage characteristics of one piezoelectric film of the first piezoelectric film and the second piezoelectric film, a coercive voltage on a positive side is denoted by Vcf + , a coercive voltage on a negative side is denoted by Vcf, an absolute value |Vcf + - Vcf - | of a difference between both coercive voltages is denoted by ΔVcf, and the larger of an absolute value of the coercive voltage Vcf + a and an absolute value of the coercive voltage Vcf is denoted by Vcf, and in a hysteresis curve showing polarization-voltage characteristics of the other piezoelectric film of the first piezoelectric film and the second piezoelectric film, a coercive voltage on a positive side is denoted by Vcr + , a coercive voltage on a negative side is denoted by Vcr - , an absolute value |Vcr + - Vcr - | of a difference between both coercive voltages is denoted by ΔVcr, and the larger of an absolute value of the coercive voltage Vcr + and an absolute value of the coercive voltage Vcr - is denoted by Vcr, ΔVcr < ΔVcf - 0.2 and Vcr < Vcf - 0.2, where, units are all [V], are satisfied. <EOS>