PROBLEM TO BE SOLVED: To provide a piezoelectric element that can suppress the generation of cracks at a boundary between an end face electrode and an area other than the end face electrode even when driven at a high voltage, and a piezoelectric vibration device, acoustic generator, acoustic generation device, and electronic apparatus.;SOLUTION: A piezoelectric element of the present invention includes: a tabular piezoelectric material 11; a first surface electrode 12a and a second surface electrode 12b that are provided on a first principal surface of the piezoelectric material 11 as surface electrodes provided respectively on the first principal surface and a second principal surface of the piezoelectric material 11; a third surface electrode 12c that is provided on the second principal surface of the piezoelectric material 11; and an end face electrode 13 that is provided on an end face (first end face) of the piezoelectric material 11 to electrically connect the second surface electrode 12b and the third surface electrode 12c, where the end face electrode 13 has its width varying along the thickness direction of the piezoelectric material 11.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2016,JPO&INPIT
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