A piezoelectric drive device comprising: a vibrating body; a support portion formed integrally with the vibrating body; and a piezoelectric element formed of a first electrode film, a piezoelectric body film, and a second electrode film on at least one surface of the vibrating body, wherein the vibrating body is a first vibrating body, and the piezoelectric drive device further includes a second vibrating body, the support portion is a first support portion, and the piezoelectric drive device further includes a second support portion, and the piezoelectric element is a first piezoelectric element, and the piezoelectric drive device further includes a second piezoelectric element, wherein a first piezoelectric vibrating portion is constituted by the first vibrating body, the first support portion, and the first piezoelectric element, and a second piezoelectric vibrating portion is constituted by the second vibrating body, the second support portion, and the second piezoelectric element, wherein the surface of the vibrating body on which the piezoelectric element is formed has a rectangular shape including a first side, a second side, and a third side and a fourth side that are connected between the first side and the second side and longer than the first side, the support portion includes a fixed portion, a first connecting portion, and a second connecting portion, the first connecting portion connects the third side with the fixed portion, and the second connecting portion connects the fourth side with the fixed portion, characterised in that the fixed portion is disposed on the side closer to the second side than the first side, and wherein a wiring for driving the piezoelectric element is formed on the vibrating body, the first connecting portion, the second connecting portion, and the fixed portion. a vibrating body; a support portion formed integrally with the vibrating body; and a piezoelectric element formed of a first electrode film, a piezoelectric body film, and a second electrode film on at least one surface of the vibrating body, wherein the vibrating body is a first vibrating body, and the piezoelectric drive device further includes a second vibrating body, the support portion is a first support portion, and the piezoelectric drive device further includes a second support portion, and the piezoelectric element is a first piezoelectric element, and the piezoelectric drive device further includes a second piezoelectric element, wherein a first piezoelectric vibrating portion is constituted by the first vibrating body, the first support portion, and the first piezoelectric element, and a second piezoelectric vibrating portion is constituted by the second vibrating body, the second support portion, and the second piezoelectric element, wherein the surface of the vibrating body on which the piezoelectric element is formed has a rectangular shape including a first side, a second side, and a third side and a fourth side that are connected between the first side and the second side and longer than the first side, the support portion includes a fixed portion, a first connecting portion, and a second connecting portion, the first connecting portion connects the third side with the fixed portion, and the second connecting portion connects the fourth side with the fixed portion, characterised in that the fixed portion is disposed on the side closer to the second side than the first side, and wherein a wiring for driving the piezoelectric element is formed on the vibrating body, the first connecting portion, the second connecting portion, and the fixed portion.